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Shanghai Siway Building Material Co., Ltd. – a leading manufacturer of high-performance sealants and adhesives since 1984. Ranked among China’s top ten silicone structural sealant producers, we deliver trusted solutions for construction, curtain walls, solar photovoltaic, and industrial applications.
A legacy of innovation, quality, and trust in construction chemistry since 1984.
Founded in 1984, Shanghai Siway Building Material Co., Ltd. has grown into one of China’s top ten silicone structural sealant manufacturers, ranked seventh in the industry. We specialize in research, development, and production of advanced sealants and adhesives for curtain wall construction, architectural glazing, and industrial applications.
Our products have earned the reputation as the “User’s First Choice Brand” and “Market Best Performance” across multiple sectors. With over 40 years of experience, we continue to innovate and deliver reliable, high-performance solutions trusted by engineers, contractors, and architects worldwide.
Learn more about our factory →
Guided by quality, responsibility, and customer-centric service.
Certified under ISO 9001, ISO 14001, Chinese national standards, and ASTM. Every product undergoes rigorous testing.
12 automated production lines, 20,000 tons annual capacity, and 220,000 sqm manufacturing facility in China.
We prioritize ecological harmony and human safety in every stage of product design and manufacturing.
Customer-centric approach with strong sales management and tailored production solutions.
Engineered for performance, durability, and precision across industries.
For windows, doors, and general construction. Fast curing, excellent adhesion.
Silicone
Ideal for sensitive substrates. Non-corrosive, odorless, and UV resistant.
Neutral SiliconeSpecially formulated for natural and engineered stone. Prevents staining.
Stone GradeFor curtain walls and facades. Exceptional resistance to rain, wind, and UV.
Curtain WallHigh-strength bonding for glass and metal. Meets ASTM C1184 standards.
StructuralDual-seal compatible. Ensures long-term hermetic sealing of IG units.
IG UnitIntumescent properties. Provides up to 4-hour fire resistance.
Fire ProtectionTwo-component, self-leveling. Ideal for airport runways and highways.
PolysulfideTrusted in iconic projects across industries and geographies.
Used in CCTV Headquarters, Beijing Galaxy SOHO, and other landmark buildings.
Applied in Beijing South Railway Station and F1 International Circuit.
Sealing and bonding in photovoltaic panel assembly and mounting systems.
Joint sealing in modular buildings and precast concrete structures.
Ready to discuss your project? Contact us for product details, samples, or technical support.
For inquiries, please visit the official website to submit your request or find regional contact information.
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