Sheng Heng Heat Insulation Material Co., Ltd. is located in Dacheng County of Hebei Province, where can be called the hometown of heat insulation materials in China. With production capacity of above 10,000 metric tons per year, our company specializes in producing rock wool boards and rock wool bars, which are widely used in construction industry as the filled composite of steel plates all over the world. We have always been endeavoring to develop our products since foundation. Currently, ...   |