Jiaozuo Huayan Industry Co., Ltd. is one of key enterprises producing special cement in northwest area of Henan Province, which has produced cement for 20 years so far, with the annual cement productivity of 200,000 tons and the ship investment of RMB 15 million. In 1995, we operated together with China Building Materials Academy of Science to produce sulphate aluminium series cement, aluminate series cement (high-aluminum cement), calcium aluminate purificant (sintered, capacitive type) for calcium aluminate powder steelmaking and other products. In 1996, our company participated in China Special Cement Association and GRC Association. Currently, our company has 260 employees including 68 medium and senior technicians, a first-class automatic rotary kiln production line and perfect inspection means, with the production processes controlled by computers. We have achieved stable product quality for many consecutive years, and been rated as a standard enterprise by national quality supervision and inspection institutions.