Langfang Chunhui Building Material Company, supported by Multilateral Fund for the implementation of the Montreal Protocol financially and technically, was established by Chunhui Group of Zhejiang Province by investing one hundred million under the aid of the State Environmental Protection Administration, is the core and backbone enterprise in the "environmental protection industrial park for implementation of international protocol" of China. As a demonstration project for Multilateral fund for the implementation of the Montreal Protocol to spread the production of green building material in China, Chunhui has been devotion itself in research and develop the technology of metal surfaced PU Sandwich panel products, and has produced series of products, such as high-grade building panels of standard type, refrigerated warehouse panels.

In 2004, LangFang ChunHui had introduced into the automatic continuous production line to manufacture both rigid and soft sandwich panel from Italy company; And also had imported whole sets of test apparatus from different Western countries. At the same time, we also introduced into one discontinuous production line to manufacture special sandwich panel. The annual production of our company can reach to more than 1, 000, 000square meters. Our company mainly has polyurethane building sandwich panel, rock-wool sandwich panel and cold storage board. Its products have been widely applied in modern buildings such as industrial factory building, supermarket, conference and exhibition center and stadium etc.