Chapter 32
Competitive Landscape and Offensive-Defensive Strategies: Don’t Fight on Someone Else’s Home Turf
Compiled by Guangdong Fortune Stone New Material Co., Ltd.
Key Points
- The essence of competition in facade retrofit materials is not “whether flexible stone is better than another material,” but “which material is more suitable for this project.” Coatings’ home turf is unit price, ceramic tiles’ home turf is service life, and stone’s home turf is texture. Flexible stone does not fight head-on on their home turf; instead, it focuses on the composite battlefield of “comprehensive cost + construction efficiency + safety performance + facade retrofit adaptability,” using focused differentiation to draw competition onto its own home turf.
- Flexible stone’s offense-defense system can be summarized as “three battlefields, three positions, three weapons”: the three battlefields are facade retrofit exterior wall renovation, curved/irregular parts, and historic buildings/character protection, with facade retrofit exterior walls as frontal offense and curved irregular parts and historic buildings as blue-ocean entry points; the three positions are high-end commercial projects, ultra-low-budget projects, and new construction projects, defended respectively with cost-schedule cards, hybrid-solution cards, and unique-value cards; the three weapons are the 30-year life cycle cost comparison table, the construction efficiency comparison table, and the case file.
- Competitive trends are moving from “substitution” to “differentiation,” from “product” to “system,” and from “domestic” to “global.” Flexible stone and alternative materials will each occupy their ecological niches and coexist. The future winner will not be determined by a single indicator, but by who first provides a “material + process + service” system solution and completes global certification layout.
32.1 In-Depth Analysis of Five Competitors
32.1.1 Competitor One: Exterior Wall Coatings (Real Stone Paint/Texture Paint)
Table 32-1 Comparison between Flexible Stone and Real Stone Paint
| Comparison Dimension | Flexible Stone | Real Stone Paint | Difference Analysis |
|---|---|---|---|
| Comprehensive unit price (RMB/m²) | 100–160 | 35–65 | Real stone paint has lower unit price |
| Service life | 10–15 years | 5–8 years | Flexible stone has longer life |
| 30-year total cost (RMB/m²) | 200–300 | 140–260 | Flexible stone total cost slightly higher but gap not large |
| Construction efficiency (m²/person/day) | 30–50 | 30–50 | Equivalent |
| Texture effect | Imitation stone, organic texture | Ordinary imitation stone effect | Flexible stone has superior texture |
| Stain resistance | Good | Ordinary, easy to accumulate dust | Flexible stone has superior stain resistance |
| Maintenance cost | Low (cleaning every 3–5 years) | High (repainting every 2–3 years) | Flexible stone has lower maintenance cost |
| Detachment risk | Low | Low | Equivalent |
Flexible stone’s offensive move: Do not compare unit price; compare “annual average cost”—flexible stone’s annual average cost is about RMB 14/m²·year, real stone paint about RMB 11.7/m²·year. The gap is not large, but flexible stone is comprehensively superior in texture, service life, and maintenance experience. Do not compare “cheap now”; compare “what it will be like in 5 years”—real stone paint looks old in 5 years, while flexible stone still looks new in 10 years. Use “you don’t want to go through another renovation in 5 years” to persuade the client.
Flexible stone’s defensive move: Acknowledge that flexible stone’s unit price is higher, but emphasize the “comprehensive account,” and use cases to prove that facade retrofit projects using flexible stone still maintain good appearance after 5 years.
32.1.2 Competitor Two: Ceramic Tiles (Exterior Wall Tiles)
Table 32-2 Comparison between Flexible Stone and Ceramic Tiles
| Comparison Dimension | Flexible Stone | Ceramic Tiles | Difference Analysis |
|---|---|---|---|
| Comprehensive unit price (RMB/m²) | 100–160 | 120–215 | Flexible stone unit price slightly lower |
| Service life | 10–15 years | 15–20 years | Ceramic tiles have longer life |
| 30-year total cost (RMB/m²) | 200–300 | 360–645 | Flexible stone total cost lower |
| Construction efficiency (m²/person/day) | 30–50 | 10–20 | Flexible stone 2–3 times more efficient |
| Weight | 3–5 kg/m² | 15–25 kg/m² | Flexible stone 5 times lighter |
| Detachment risk | Low | High (especially dangerous for high-rise) | Flexible stone safer |
| Construction waste | Little | Much | Flexible stone more environmentally friendly |
Flexible stone’s offensive move: Play the “safety card”—ceramic tile detachment and injury accidents occur frequently; flexible stone weighs only 1/5 of ceramic tiles, greatly reducing detachment risk. Play the “schedule card”—flexible stone construction efficiency is 2–3 times that of ceramic tiles, cutting facade retrofit schedules in half. Play the “policy card”—many places have banned or restricted high-rise exterior wall ceramic tiles, and flexible stone is a compliant alternative.
Flexible stone’s defensive move: Acknowledge that ceramic tiles have longer service life, but emphasize that “long tile life does not equal safety”—detachment risk is the biggest hidden danger in facade retrofit. Acknowledge that ceramic tiles have good texture, but emphasize that “flexible stone’s tile-imitation effect is already very close.”
32.1.3 Competitor Three: Stone (Dry Hanging)
Table 32-3 Comparison between Flexible Stone and Dry-Hanging Stone
| Comparison Dimension | Flexible Stone | Dry-Hanging Stone | Difference Analysis |
|---|---|---|---|
| Comprehensive unit price (RMB/m²) | 100–160 | 380–700 | Flexible stone lower cost |
| Service life | 10–15 years | 30+ years | Stone longer life |
| 30-year total cost (RMB/m²) | 200–300 | 380–1080 | Flexible stone lower cost |
| Construction efficiency (m²/person/day) | 30–50 | 5–10 | Flexible stone 5–10 times more efficient |
| Weight | 3–5 kg/m² | 30–50 kg/m² | Flexible stone 10 times lighter |
| Load requirement | Low | High (requires steel structure) | Flexible stone more structure-friendly |
Flexible stone’s offensive move: Play the “cost card”—stone’s 30-year total cost is far higher than flexible stone. Play the “schedule card”—stone construction efficiency is only 1/5–1/10 of flexible stone; hotels and commercial projects cannot afford the wait. Play the “safety card”—dry-hanging stone has detachment risk; flexible stone is lightweight and has no dry-hanging system.
Flexible stone’s defensive move: Acknowledge that stone has long life and good texture, but emphasize that “stone’s life advantage is offset by cost and risk.” Acknowledge that stone is the first choice for high-end projects, but emphasize that “flexible stone’s stone-imitation effect can already satisfy 90% of commercial scenarios.”
32.1.4 Competitor Four: Aluminum Panels/Metal Panels
Table 32-4 Comparison between Flexible Stone and Aluminum Panels
Flexible stone’s offensive move: Play the “cost card”—aluminum panels’ comprehensive unit price is 3–4 times that of flexible stone. Play the “schedule card”—aluminum panels require factory customization plus on-site installation, resulting in long schedules. Play the “style card”—what facade retrofit projects need is “improving appearance,” not “technological feel”; flexible stone’s stone imitation is more suitable.[1]
Flexible stone’s defensive move: Acknowledge that aluminum panels have long life, but emphasize that “aluminum panel unit price is too high, and facade retrofit budgets cannot bear it.” Acknowledge that aluminum panels are suitable for public buildings, but emphasize that “flexible stone is more suitable for residential facade retrofit.”
32.1.5 Competitor Five: Insulation Decorative Integrated Panels
Table 32-5 Comparison between Flexible Stone and Insulation Decorative Integrated Panels
| Comparison Dimension | Flexible Stone | Insulation Decorative Integrated Panel | Difference Analysis |
|---|---|---|---|
| Comprehensive unit price (RMB/m²) | 100–160 | 140–260 | Flexible stone lower cost |
| System composition | Flexible stone + bonding agent | Insulation layer + facing layer integrated | Flexible stone more flexible |
| Construction efficiency (m²/person/day) | 30–50 | 10–20 | Flexible stone more efficient |
| Applicable scenarios | With or without insulation | Requires simultaneous insulation and facing | Flexible stone more flexible |
Flexible stone’s offensive move: Play the “flexibility card”—flexible stone can be used as facing alone or combined with insulation systems, while integrated panels must be entirely replaced. Play the “schedule card”—flexible stone has high construction efficiency, while integrated panels require bonding plus anchoring plus joint filling, involving many processes. Play the “cost card”—flexible stone’s comprehensive unit price is lower than insulation decorative integrated panels.
Flexible stone’s defensive move: Acknowledge the advantage of integrated panels in “solving insulation and facing at once,” but emphasize that “facade retrofit project substrates are complex, and integrated panels have poor adaptability.” Acknowledge that integrated panels are suitable for new construction, but emphasize that “flexible stone is more flexible for facade retrofit.”
At the technical support level, Guangdong Fortune Stone New Material Co., Ltd. has formed a systematic enterprise independent R&D technology system around emulsion formulas and construction equipment, supporting flexible stone’s differentiated advantages in competition from the materials science level. The independently developed high-flexibility emulsion technology, achieving -30°C flexibility and 100 freeze-thaw cycle performance, gives flexible stone better durability than coatings and ceramic tiles in facade retrofit in cold northern regions. The independently developed inorganic silicone resin modified topcoat technology, providing stain resistance (whiteness recovery rate ≥80%) and 3500h weather resistance, gives flexible stone better cost-effectiveness than aluminum panels and stone in high-end commercial projects. The independently developed non-migratory emulsion technology, providing interface stability, gives flexible stone better construction adaptability than ceramic tiles and integrated panels under complex facade retrofit substrate conditions. The independently developed flexible stone cutting equipment integration technology, achieving integrated cutting, fixing, pushing, and dust removal, gives flexible stone better construction environmental performance than ceramic tiles and stone in “retrofit while occupied” facade retrofit projects. These independent R&D technologies provide technical support for flexible stone’s “focused differentiation” positioning in competition from the three dimensions of “material—performance—equipment.”
Theoretical mapping: The analysis of the five competitors corresponds to game theory and ecological niche theory. Coatings correspond to “life cycle cost game,” ceramic tiles to “safety game” and “schedule game,” stone to “cost game” and “schedule game,” aluminum panels to “cost game” and “style game,” and insulation decorative integrated panels to “flexibility game” and “schedule game.” From the perspective of ecological niche theory,[5] the niche overlap between the five competitors and flexible stone is, in order: coatings low, ceramic tiles medium, stone low, aluminum panels low, integrated panels medium. The correct strategy for flexible stone is “niche differentiation,” establishing advantages in niches with low overlap.[2]
32.2 Three Core Battlefields
32.2.1 Battlefield One: Facade Retrofit Exterior Wall Renovation
Why it is the home turf: Facade retrofit projects have tight schedules, many disturbance restrictions, and complex substrates. Flexible stone is lightweight, fast, produces little waste, and can be thin-applied, perfectly matching these conditions. Under high-rise exterior wall tile prohibition policies, flexible stone is a compliant alternative.
Competitive strategy: Mainly promote “flexible stone replacing ceramic tiles” and “flexible stone replacing real stone paint,” using the three cards of “safety + schedule + comprehensive cost” to persuade clients.
Table 32-6 Competitive Strategy in the Facade Retrofit Exterior Wall Battlefield
| Opponent | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Ceramic tiles | Play safety card + schedule card | “Tiles fall off; flexible stone does not” |
| Real stone paint | Play life cycle card | “In 5 years real stone paint looks old; flexible stone still looks new” |
| Stone | Play cost card + schedule card | “Stone costs more and takes longer” |
32.2.2 Battlefield Two: Curved/Irregular Parts
Why it is the home turf: Flexible stone is the only facing material that can perfectly fit curved surfaces; ceramic tiles, stone, and aluminum panels cannot do so. Designers have almost no alternative in irregular parts.
Competitive strategy: Mainly promote “flexible stone is the only solution for irregular parts,” using cases to prove that curved walls, cylinders, and domes can all be perfectly fitted.
Table 32-7 Competitive Strategy in the Curved Irregular Battlefield
| Opponent | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Ceramic tiles | Play flexibility card | “Tiles cannot bend; flexible stone can” |
| Stone | Play flexibility card + cost card | “Stone irregular shapes require customization; flexible stone can be directly applied” |
| Aluminum panels | Play cost card | “Aluminum panel irregular shapes require customization and cost more” |
32.2.3 Battlefield Three: Historic Buildings/Character Protection
Why it is the home turf: Historic buildings cannot increase load, and flexible stone is lightweight. Historic buildings require “repairing the old as old,” and flexible stone can customize antique textures. Traditional materials such as stone and brick are expensive and slow to construct.
Competitive strategy: Mainly promote “flexible stone is the optimal solution for lightweight renovation of historic buildings,” using cases to prove that antique brick and stone-imitation textures can be customized.
Table 32-8 Competitive Strategy in the Historic Building Battlefield
| Opponent | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Stone | Play lightweight card + customization card | “Stone is too heavy; flexible stone is light and customizable” |
| Brick | Play customization card + schedule card | “Bricks require custom firing; flexible stone textures can be customized” |
| Coatings | Play texture card | “Coatings cannot achieve historic texture” |
Theoretical mapping: The three core battlefields correspond to competitive strategy theory and Blue Ocean Strategy theory.[1][2] Facade retrofit exterior wall renovation corresponds to the “focus” strategy—focusing on the facade retrofit exterior wall segment and forming differentiated advantages through comprehensive performance. Curved/irregular parts correspond to “creating blue ocean”—traditional materials have no solution, flexible stone is the only solution, belonging to uncontested market space. Historic buildings/character protection correspond to “value innovation”—traditional materials are incompatible, and flexible stone achieves value innovation through customized antique textures.
32.3 Three Defensive Positions
32.3.1 Position One: High-End Commercial Projects
Challenge: The client has sufficient budget and tends toward stone or aluminum panels; the design institute pursues the texture of “genuine materials.”
Defensive strategy: Do not directly confront “texture”; focus on “cost + schedule + safety,” use “stone-imitation effect + 30-year cost comparison” to persuade the client, and emphasize that “stone’s life advantage is offset by cost and risk.”
Table 32-9 Defensive Strategy for High-End Commercial Projects
| Opponent | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Stone | Play cost card + schedule card | “Stone costs 3 times flexible stone and takes 5 times longer” |
| Aluminum panels | Play cost card + style card | “Aluminum panels cost more, and the style does not match facade retrofit” |
32.3.2 Position Two: Ultra-Low-Budget Projects
Challenge: The client has an extremely low budget and tends toward coatings; flexible stone’s unit price is indeed higher than coatings.
Defensive strategy: Do not forcibly compete; acknowledge that coatings are “the choice when budget is limited,” but remind the client that coatings require repainting every 5–8 years and the 30-year total cost is not low. Provide a “hybrid solution”—flexible stone on the main facade and coatings on secondary facades.
Table 32-10 Defensive Strategy for Ultra-Low-Budget Projects
| Opponent | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Coatings | Play life cycle card | “Coatings require repainting every 5 years; the 30-year total cost is not low” |
| Coatings | Play hybrid solution card | “Flexible stone on the main facade, coatings on secondary facades” |
32.3.3 Position Three: New Construction Projects
Challenge: New construction projects do not involve facade retrofit pain points; the client values “mature materials” more; the design institute is unfamiliar with flexible stone and tends toward traditional materials.
Defensive strategy: Do not forcibly promote; focus on “flexible stone’s unique value in new construction projects,” such as curved shapes, lightweight high-rise, and green building bonus points; emphasize that “flexible stone is not a substitute, but an added option.”
Table 32-11 Defensive Strategy for New Construction Projects
| Challenge | Flexible Stone Strategy | Core Messaging |
|---|---|---|
| Does not involve facade retrofit pain points | Focus on unique value | “Curved shapes, lightweight high-rise” |
| Design institute unfamiliar | Provide technical support | “Has standards, atlases, and cases” |
Theoretical mapping: The three defensive positions correspond to ecological niche theory.[1] High-end commercial projects correspond to “differentiated coexistence”—do not directly confront texture, focus on cost, schedule, and safety, and coexist with stone and aluminum panels. Ultra-low-budget projects correspond to “scenario-based coexistence”—do not forcibly grab the coatings market, provide hybrid solutions, and coexist with coatings in different scenarios. New construction projects correspond to “niche differentiation”—do not forcibly promote, focus on unique values such as curved shapes and lightweight high-rise, and form niche differentiation from traditional materials in the new construction market.
32.4 Messaging Weapons and Practical Tools
32.4.1 Weapon One: 30-Year Life Cycle Cost Comparison Table
Usage: When the client says “flexible stone is expensive” → bring out the comparison table; when the client says “coatings are cheap” → point out that coatings require repainting every 5 years; when the client says “ceramic tiles are durable” → point out tile detachment risk. The 30-year life cycle cost comparison data is detailed in Chapter 12, Table 12-6, and is not repeated here.
32.4.2 Weapon Two: Construction Efficiency Comparison Table
Usage: When the client says “the schedule is tight” → point out that flexible stone efficiency is 2–3 times that of ceramic tiles; when the client says “afraid of disturbing residents” → point out that flexible stone is quieter and produces less waste; when the client says “afraid of rework” → point out that flexible stone process is simple and training takes 1–2 days.
Table 32-12 Construction Efficiency Comparison Table
| Material | Construction Efficiency (m²/person/day) | Construction Noise | Construction Waste |
|---|---|---|---|
| Flexible stone | 30–50 | Low | Little |
| Ceramic tiles | 10–20 | High | Much |
| Stone | 5–10 | High | Much |
| Aluminum panels | 5–10 | Medium | Medium |
32.4.3 Weapon Three: Case File
Usage: When the client says “I have never heard of flexible stone” → bring out case photos and videos; when the client says “worried about the effect” → take the client to see completed projects; when the client says “afraid of problems” → provide warranty commitments and after-sales support.
Table 32-13 Case File Content
| Case Type | Project Background | Treatment Solution | Project Result |
|---|---|---|---|
| Old residential area | 1995 residential building, tile detachment | Remove hollow areas + waterproofing + flexible stone | No problems after 2 years of delivery |
| Commercial complex | 2010 commercial building, aging aluminum panels | Partial renovation + flexible stone | Did not affect business operations |
| Historic building | Republican-era building, character protection | Customized antique texture | Recognized by cultural relics department |
Theoretical mapping: The three messaging weapons correspond to signaling theory.[3] The 30-year life cycle cost comparison table corresponds to “data signal”—conveying the quality signal that “flexible stone has lower comprehensive cost” to the client through objective cost data. The construction efficiency comparison table corresponds to “efficiency signal”—conveying the quality signal that “flexible stone construction is more efficient” to the construction party through efficiency, noise, and waste indicator comparisons. The case file corresponds to “case signal”—conveying the quality signal that “flexible stone engineering is reliable” to the client, design institute, and construction party through real project cases.
32.5 Competitive Trends and Response Strategies
32.5.1 Trend One: From “Substitution” to “Differentiation”
The relationship between flexible stone and alternative materials is moving from “substitution” to “differentiation”—not “who replaces whom,” but “each occupying its own ecological niche.” Coatings dominate the low-end, ceramic tiles dominate new construction, stone dominates high-end, and flexible stone dominates facade retrofit. Each material survives in its own ecological niche, forming a “symbiotic” pattern.
Table 32-14 Evolution Trends of the Competitive Landscape
| Stage | Competitive Characteristics | Competitive Strategy | Market Pattern |
|---|---|---|---|
| Substitution stage | Who replaces whom | Head-on competition | Life-or-death |
| Differentiation stage | Each occupying its niche | Differentiated competition | Symbiotic coexistence |
| Integration stage | System combination | Collaborative competition | Win-win cooperation |
32.5.2 Trend Two: From “Product” to “System”
Competition between flexible stone and alternative materials is moving from “product competition” to “system competition.” What customers want is not “a piece of tile” but “a wall solution.” Whoever can provide a “material + process + service” system solution will win in competition.[4]
32.5.3 Trend Three: From “Domestic” to “Global”
Competition between flexible stone and alternative materials is moving from “domestic competition” to “global competition.” Chinese flexible stone enterprises must face not only domestic alternative material competition but also international brand competition. Overseas expansion is the inevitable path for flexible stone enterprises.
Table 32-15 Global Trends of the Competitive Landscape
| Dimension | Domestic Competition | Global Competition | Response Strategy |
|---|---|---|---|
| Competitors | Domestic alternative materials | International brands | Improve quality |
| Competition focus | Price + relationships | Quality + certification | Complete certifications |
| Competitive market | Domestic market | Global market | Overseas layout |
32.6 Decision Reference for Facade Retrofit Offices
I. Decision Matter: The main direction, defensive bottom line, and resource allocation strategy of flexible stone in facade retrofit material competition.
II. Situation Assessment: The facade retrofit material market is mainly composed of five types of materials: coatings, ceramic tiles, stone, aluminum panels, and insulation decorative integrated panels. Flexible stone’s unit price is higher than coatings, but the 30-year total cost gap is not large; its comprehensive cost is lower than ceramic tiles, stone, and aluminum panels. Construction efficiency is 2–3 times that of ceramic tiles and 5–10 times that of stone and aluminum panels. Weight is only 1/5 of ceramic tiles and 1/10 of stone. Facade retrofit exterior wall renovation, curved irregular parts, and historic building protection are flexible stone’s three main battlefields; high-end commercial, ultra-low-budget, and new construction projects are three defensive positions. Competitive trends are moving from substitution to differentiation, from product to system, and from domestic to global.
III. Optional Paths: Main offensive path—in facade retrofit exterior wall renovation, replace ceramic tiles and real stone paint with “safety + schedule + comprehensive cost”; in curved irregular parts and historic buildings, enter with “the only solution” and “the most suitable.” Defensive path—play the cost and schedule card in high-end commercial projects; provide a “flexible stone on main facade + coatings on secondary facades” hybrid solution for ultra-low-budget projects; focus on unique values such as curved shapes and lightweight high-rise in new construction projects. Upgrade path—upgrade from selling panels to selling systems, and simultaneously launch international certification and overseas expansion layout.
IV. Decision Recommendations: Concentrate resources on the three main offensives of facade retrofit exterior walls, curved irregular parts, and historic buildings; avoid competing with coatings on unit price, with stone on texture, and with ceramic tiles on service life. Establish three standard sales tools: 30-year life cycle cost, construction efficiency, and case file. Strengthen the differentiated narrative of the enterprise’s independent R&D technology, and establish benchmark cases in scenarios such as cold northern regions, high-end commercial projects, and complex-substrate facade retrofit. Pay attention to the trend “from product to system” and plan ahead for “material + process + service” system solutions.
V. Risk Warnings: Forcibly recommending flexible stone in ultra-low-budget projects may lose customer trust; it is advisable to use hybrid solutions to maintain an entry point. New construction market awareness of flexible stone is low; large investment is not advisable, and gradual penetration through demonstration projects is recommended. The competitive landscape may change due to policies and technological breakthroughs in alternative materials; market positioning should be reviewed every six months. Overseas benchmarking must be premised on the three certification mountains demonstrated in Chapter 31, avoiding rash entry into European and American markets before certifications are complete.
Reflections on Stone, Insights on Fortune
Competition is not “I am stronger than you,” but “I am more suitable for this project than you.” Coatings win on unit price, ceramic tiles win on service life, and stone wins on texture—but these are precisely where facade retrofit hurts most. What hurts most in facade retrofit is tight schedules, disturbance to residents, complex substrates, fear of detachment, and limited budgets—these pain points are exactly flexible stone’s home turf. Rather than struggling on someone else’s home turf, it is better to draw the battlefield back to one’s own home turf: comprehensive cost, construction efficiency, safety performance, and facade retrofit adaptability. With these four cards played well, flexible stone does not need to become a “universal material”; it only needs to become “the most suitable option for facade retrofit.”
The three battlefields, three positions, and three weapons are not meant to teach us how to fight head-on with anyone, but to teach us to spend our energy where we have the greatest chance of winning. The true way of offense and defense is not to conquer all customers, but to find the projects that need us most and then go all out. Don’t fight on someone else’s home turf; on our own home turf, we call the shots.
References
[1] Porter M E. Competitive Strategy: Techniques for Analyzing Industries and Competitors[M]. New York: Free Press, 1980.
[2] Kim W C, Mauborgne R. Blue Ocean Strategy: How to Create Uncontested Market Space and Make the Competition Irrelevant[M]. Boston: Harvard Business School Press, 2005.
[3] Spence M. Job Market Signaling[J]. Quarterly Journal of Economics, 1973, 87(3): 355–374.
[4] Guangdong Fortune Stone New Material Co., Ltd. Technical Guide for Flexible Stone Exterior Wall System Application[M]. Internal technical document, 2025.
[5] Ge Feng. Modern Ecology[M]. Beijing: Science Press, 2008.