We are a manufacturer with 30 years of professional poduction experience. Dida(wuxi yangjian) locks Co., Ltd is a China-foreign joint-venture enterprise. It established in 1983. Our range of products: Mortise lock body, lever lock body, Lock-set for special usages, Different types of cylinders and key. Various handle Our products are used in many import projects all over China and more than 95% of products export to abroad market. We are an ISO9001: 2000 certified company. The fire rated locks manufactured by the company has also passed the \"China national testing centre\" stringent requirements We warmly welcome friends both at home and abroad to contact us for more information, and look forward to opportunities of establishing business relationships with you in the near future.