Beijing Houxin Trading Co., Ltd. (BHT) is a mining, processing and sales into one comprehensive enterprise group. Beijing Houxin Trading Co., Ltd. (BHT) As the external cooperation window of Mica Professional Group, BHT is responsible for selling mica products manufactured by the subsidiaries of the group, devoting to external technology and information exchange, quality management and supervision of products under the trademark of BHT�® as well as preparation of the development plan of the group. Shijiazhuang Fine Mica Co., Ltd. (FINE MICA) It is the production base of BHT�® Mica. Multiple production lines of different types are available in this plant in accordance with specification and characteristics of products. It has diversified product specifications and its comprehensive production capacity exceeds 20000 tons per year. Its products are sold well in overseas market and used in the fields of building materials, coating, thermoplastic resin, thermosetting resin, friction materials, damping material of automobile, road repair materials, heat insulation materials and welding rod, and etc. Lingshou Hongyuan Mica Mining and Processing Plant (XIAOWENSHAN MICA MINE) It is the supply base of raw material of mica for BHT system. Lingshou Hongyuan Mica Mining and Processing Plant is the only legal exploiter of "Xiaowenshan mica mine". BHT holds 100% shares of this enterprise from April 17, 2010.