Changzhou kangwei tool CO.,LTD/Changzhou Yuansen Steelfile CO.,LTD.China is the only manufacturer of CHANGFEN brand locksmith files and miscellaneous files in this local place. Our factory is located in Weichun Town, where is the developing base of Changzhou. The factory neighbors Ferry of Yangtze River in the east, Changzhou Airport in the west, and Huning Highway in the south. 308 Provincial Highway is crossing the town, and the traffic systems both in land and water are perfect. Founded in the early 90's, the company has grown rapidly and has evolved directly in response to the ever changing needs of our customers. With a solid foundation of more than twenty years beneath us, we look forward to the future in new and exciting markets worldwide. We are the specialized manufacturer of locksmith files and miscellaneous files. We have ever cooperated with the former No.1 Shanghai Steel File Factory, No.2 Shanghai Steel File Factory, Sichuan Steel File Factory, the former Shijiazhuang Steel File Factory, and Suzhou Xishan Steel File Factory. We also have cooperated with YAMAGUCHI, a famous Japanese provider of steel files. The technicians of our factory have ever been directed by the Japanese insiders in the file industry. We have also manufactured kinds of files for DFM Company from Germany.
   According to the contact of Shanghai Tools Company, we are the appointed provider of steel files, and have the authority to use the brand of HUGONG SJC.
   Holding the policy of quality first and credit first, we will always provide the best products and the best service to our clients. We are looking forward to the coming of friends worldwide.