Huisda Door Control Hardware Products Factory was established in 1993, which is a manufacturer specializing in researching and developing floor springs, door closers, stainless steel glass door clamps, glass bathroom clamps and central door locks. During ten years of marketing in nationwide and worldwide markets, our products are appreciated by customers deeply.Based on the advanced technology, high precision special equipment from domestic and abroad and standardized modern management, Huisda series products are according with the state technology standard QB/T3884-1999, and we have already passed ISO9001-2000 International Quality Management System Certification. Moreover, our products are appraised as "the Chinese Famous and Best Products" and "the State Engineering Construction Ministry Appointing Selective Products"."Huisda" has wide market information channels and professional products researching and developing team. From developing, testing, finalizing and manufacturing, it runs according to ISO9001-2000 management system. The high quality of Huisda products comes from the latest design, consummate arts and crafts, excellent equipment, scientific quality control, high quality standard and our professional staff who enforce the high standard strictly. The tenet of "Huisda" quality management is never let the quality problem goes out of the enterprise gate, which is the guarantee for the quality of Huisda products."Huisda" insists on the tenet "to exist by quality, to develop by technology, get reputation by service, get efficiency by management", and unremittingly tries our best to perfect ourselves. We will make the quality better and better, just like the strong levee."Huisda" will unremittingly insist on our management tenet, spare on effort to carve out and create, and use the perfect frame and design, excellent quality, and faithful credit to cooperate with clients sincerely for brilliant future.