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, we have obtained two technological patents, including high density rock wool bar (Patent No.:ZL02205661.0) and rock wool board bar (Patent No.:200610058757.1). We also supply many other related products, such as glass wool products, aluminum silicate wool products, aluminum foils, adhesive tapes and rubber products. All the high quality products, advanced equipment and first-class services enable us to be a leader in the industry. Being honest and competitive is our unchangeable management concept