Tonglu Fangyuan lock industry is located in central Zhejiang and Hangzhou. The conshipment, air transportation, port, intermodal transportation and communication network of the whole country are very convenient and fast; The geographical location is superior. Founded in 2002, it is one of the professional manufacturers of high, medium and low grade lock products integrating science, industry and trade, covering an area of 55000 square meters and more than 200 products, and can be designed and produced according to customer needs, the products sell well in Europe, the United States, South Korea, Japan and other countries and regions. It is favored by domestic and foreign merchants.