Sichuan Changan Yucai Building Material Co, . Ltd., which established in October 2 0 0 0, is a joint-stock company invested by Shijiazhuang Changan Yucai Building Material Co, . Ltd.on the base of its Chengdu subsidiary. It is a professional company, putting concrete admixture research and development , production and sales into integrated, which products have been widely used in water conservancy and hydropower project construction. Its main products are water reducer, retarded agent, pumping agent , air entraining agent and some other concrete admixtures. The company consists of a high quality team members of full of passion and youthful vigor: in addition, all kinds of professional and technical person converged there. The company possessed a wide range of partners at home and abroad. In 2003, it has passed the certification of ISO 9 0 0 1, and some other relevant products quality inspection. Sichuan Changan Yucai Building Material Co, . Ltd. is always persisting on the goal that “ Quality is the way to survival, and innovation is the way to success”: it always bases on the “customer-centric, market-oriented ” principle. Sichuan Changan Yucai Building Material Co, . Ltd. promise that it will supply the standard products strictly under the GB 8 0 7 6—2 0 0 8，and it will provide an excellent overseas’ service.