ZhanQi Building Hardware Products Factory, founded in 1992, specializes in producing high_quality, modern and new_style decorative hardware series such as door control series, floor spring, luxurious glass door clip, central lock, etc. It possesses complete technique and equipments, solid technical strength and management standardization. The products are made of fine materials in unique style and beautiful model. Depending on over ten years of effort, it has been progressively consummating the quality and sale network. The quality of products, which is insured by PinAn Insurance Company of China, is in accordance with the national technical standard QB/T3884-99, and has passed the inspection by the quality inspection center for building hardware of the National Light Industrial Bureau(ShangHai Branch) after operating for three hundred thousand times. The inspection number is 002200A.