Hangzhou Singer Building Materials Co., Ltd was established in 2006, specialized in manufacturing asphalt roof shingle and roof rain gutter system. As the main export brand products, San-gobuild is relied on customer at home and abroad for High-quality and trustworthy.

Sangobuild is committed to researching & developing as well as manufacturing. Our advanced production equipment and standard workshop and modern manage system, guarantee the highest product quality. Taking the quality criteria and pursuing the design, which make sure product specialization and production are standardized. Beginning with function, technique, utility and durability, which creats a luxurious and elegant quality life for customers home and abroad.

San-gobuild was initiated to help businesses across the globe achieve their goals by providing operational excellence, competitive R& D, technology innovation, and market breakthroughs. We guarantee our service will go " Beyond your expectations".