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 diat... ...[More..]