Shanghai Siway Building Material Co., Ltd., established in 1984, is a leading manufacturer specializing in silicone sealants and construction materials in China. Ranked among the nation's top ten silicone sealant producers, Siway is recognized for its commitment to quality and innovation, achieving numerous industry accolades. With a sprawling factory covering over 220,000 square meters and an annual production capacity of 20,000 tons, Siway offers a wide range of products, including structural silicone sealants, weatherproof and fireproof sealants, polyurethane foam, and more.

Siway's product lineup includes both one-part and two-part sealants catering to diverse applications, such as windows and doors, curtain walls, and the solar photovoltaic industry. All products meet rigorous standards including ISO 9001 and ISO 14001 certifications, ensuring reliability and safety. Siway prides itself on being a trusted partner, providing not only high-quality products but also exceptional customer service. The company's extensive research and testing capabilities ensure continuous improvement and innovation in their offerings.