Tonglu Fanyuan lock is located in central Zhejiang, the territory of Hangzhou city. Across the country, the network is convenient, fast and convenient, and is convenient and fast. Created in 2002, is set, science, industry and trade as one, the production all kinds of high, medium and low-grade lock products, one of professional manufacturers, covers an area of 55000 square meters, more than 200 kinds of products, and according to customer demand for design and production, the products sell well in Europe, the United States, South Korea, Japan and other countries and regions, more than one. Favored by domestic and foreign merchants.