Huisda Door Control Hardware Products Factory( the original Huida Metal Products Factory), was established in 1993, which is a manufacturer specializing in producing “Huisda” brand door control hardware products, such as floor spring, door closer and stainless steel door clamp. In forepart, it developed aluminium alloy glass door floor spring series. In 1999, it developed the new style frameless glass door floor spring and door clamp. At the same time, it found the “Huisda” brand products series, and began to plan promotion and market developing nationwide and worldwide. In 2001, the new factory building completed. It changed the unitary production, management, technology and quality all round and completely. It created the products and improved the old technics, and used the morden arts and crafts and technology to develop the new style products. In 2002, it passed the ISO9001:2000 International Quality System Certificate. Through ten years of hard working and developing, now we are the leading manufacturer in this industry and get a brilliant achievement. Whatever today or tomorrow, “Huisda” will unremittingly insist on its quality tenet, spare no effort to carve out and create, and use the perfect frame and design, and remarkable quality, and faithful credit to cooperate with the clients sincerely and build the brilliant future beyond your and our expectation.