You can come to us for hex bolts, hex socket bolts, flange bolts, carriage bolts, square bolts, eye bolts, U-bolts, T-bolts, threaded rod , nuts, etc. The ranges of product grade are 4.8, 8.8, 10.9 and 12.9 , AND Gr 2 , Gr5 , Gr 8 , our monthly output for per item is up to 800 tons ,we have been serving buyers in the US , Europe ,Middle ease , Japan and other market since 2002 . We believe that Quality is the life of our factory. In order to ensure the quality to be effectively controlled in the full process of production , it has been equipped the full line testing machines of tensile strength tester metallurgical microscopy Rockwell hardness and Vickers hardness . Our QC office have 4 engineers and 16 quality inspectors , they have been doing their jobs efficiently for over 8 years , we are so confident in quality of our products Our company has formed a powerful team of research and development for product and technology , passing the authentication of ISO9001-2000 quality s