we are specialize in producing and marketing various high quality fastener and non-standard customization .Equipping with the advanced and complete machine and test instrument,as well as the powerfull techical force, the annual production capacity over 10,000 tons .Be able to organize production following the ISO,DIN,ANSI/ASME,JIS. we have a blazing sence of Quolity and customer first ,the most favorable price and the superior quality... welcome to visit us and look forward a pleasant business future.