Founded in 1992, Hebei Optimum Construction Materials (Group) Co., Ltd., with years of experience in production management, product development and export, specializes in production and sale of various types of firewall boards and ceiling materials. With strong technical force and modernized production equipment, the company is equipped with one calcium silicate board production line with an annual output of 8 million square meters, two mineral wool board production lines with an annual output of 10 million square meters, and two keel production lines with an annual output of 10 million pieces. Moreover, the company boasts its mature technologies, advanced processes and stable quality. At present, the company independently produces and operates dozens of products, such as fiber reinforced calcium silicate boards, mineral wool acoustic boards, and keels. Over the years, Optmaterials brand building material products are sold in major domestic cities and exported to Russia, North America, Western Europe, Southeast Asia, Korea, Ukraine, United Arab Emirates and other countries and areas, winning wide recognition from customers with their excellent quality and good services.