Shijiazhuang Shuangjian Tools Co., LTD. is a specialized company on manufacturing Files, which was established on 1951. For many years on supplying high quality Files, we own the famous ?BI-SWORD? Brand.
Being certified as compliant with ISO9001:2000 and GS, we unite the traditional technics and advanced management mode to provide high grade products and satisfying service both in domestic and international market.