Shanghai Qinshuo Cool and Warm Equipment Co.,Ltd is a professional company integrating the research & development, manufacturing and installation of all kinds of new style compound duct systems together.   
The compound duct plates of Bolivian magnesium, XPS, polyurethane, phenolic, fiberglass and color steel which are researched & developed by our company have passed the certification of ISO9001. 
We have brought in advanced production lines for compound duct plates and advanced production techniques. For installation, we have a well managed, well-trained and civilized construction team.
We have established good business relationship with many corporations home and abroad.And our products are won high-praise from our customers.The mainly markets abroad are Japan,Korean,Southeast,Middle east,Africa,America,etc.