HAIYAN BROTHER  UNITED  FASTENER CO.,LTD  IS SPECIALIAED IN MANUFACTURING AND EXPORTING ALL KINDS OF FASTENERS, INCLUDEING HEX NUTS,BOLTS,THREAD RODS,SCREWS, AND WASHERS ETR.  OUR  TARGETS IS DOING WHATEVER WE CAN DO TO MEET  DIFFERENT CUSTOMER’S REQUIRMENT, OUR PRODUCTS  ARE ACCORDING  WITH STANDARDS OF DIN,ANSI,BS, JIS AND ISO. MANY  CUSTOMERS WHO ARE THE MAIN IMPORTERS  IN THE  INTERNATIONAL MARKETS ARE UNITED IN PRAISE  FOR THE  QUALITY OF OUR PRODUCTS .