Jianshi Lock Industry Co., Ltd. is a big lock manufacturer, specialized in door locks. Our factory is located in Nanjiao Industry Zone, with the building area of 45,000 square meters. Jianshi Lock Industry Co., Ltd. concentrates on the manufacture of handle locks, knob locks, password locks and hardware fittings. The main materials are zinc-alloy, aluminium, brass, stainless steel, and iron. Our factory has advanced machine equipments and production lines, as well as the quality checking system. Our "Gensh" brand products are elegant and fashionable, with unique characteristics. Our factory has obtained the certification of ISO9001:2000 and achieved a title of "One of the ten kings of locks in China".There are more than 500 series of new models empoldered each year, which have achieved 58 patents.We desire to have new cooperation with friends from every place of the world.