Founded in February, 1995, Qingdao Three-Star Diatomite Co., Ltd., is engaged in development, production and sales of diatomite products as well as design, production, installation, shakedown test and technical training of diatomite whole sets, being a comprehensive enterprise which takes the lead in passing ISO9001 International Quality System Certification, ISO14001 Environment management System and Occupational Safety and Health Management System (OSHMS) among the production enterprises of diatomite.

By right of many years' deploitation and practice, our products have made their application expand quickly in every business area and could compare favorably with imported products of the same kind. At present, the ACHANG diatomite series produced by our company have developed four major categorize including over twenty models, with the annual throughput of 18, 000 tons. Equipments and production technology of environmental protection and energy saving type specialized for diatomite and powder that are designed and developed by our company have gained several national patents; And tested by environmental protection departments, all of their guidelines have met the requirements of environmental protection. This set of craft and equipments is favored by customers at home and abroad; Besides, we have formed cooperative relation with many countries. It is advantaged diatomite resources, advanced production craft and equipments together with our painstaking work that gestate today's SANGXING. In the future, we shall strengthen cooperation with universities and innovate and develop constantly.