Shaoxing Sunny High Strength Fastener Co., Ltd. is a special engineering fastener company which can design, produce, inspect and test fastener. Our main products are high strength stud bolts, bolts, nuts, and washers with wide range from M12-M120, 1/2"-4", which are in accordance with the following standards: GB/T, SH, HG, H, JB, GD, ANSI (ASTM/ASME), DIN and other non-standards. The products are specifically targeted toward the oil, petrochemical, chemical, electric power (nuclear power station), machine and military industry enduring strict precision, high strength, high temperature fastener, low temperature fastener ,and so on strong rust in harsh environments. Covering 12,000 square meters, our company is equipped with complete set of production line which covers hot forge, lathe, mill, rolling, and heat treatment facility. Highly flexible manufacturing system and complete production facility allow us to undertake wide range of products from small to large scale of ...[More] Advanced inspection instruments and strict quality control system (DNV CERTIFICATE)ensure that all the manufacture process is controlled and traced. Quality is the cornerstone of company policy. Customer is the focus of our company. Quality staff and many years' experience in fastener business ensure us to offer fine, service to customer. All of our endeavors are to build the brand of "Sunny". Sunny pursues specialty, promise and reassurance. STANDARDS OF PRODUCT .........................DomesticStandard................................Foreign Standard Stud Double.....GB897-GB901....GB/T15389................ANSI..............DIN End Stud Rod..JB2773..JB2774..JB4707..JB9..JB1164.ANSI/ASME...DIN938-940 ......................H16..H15..HG20613..HG20634..HG75...B18.2.1..........DIN975 .....................SH3404....SHJ404................................B18.2.3.5M.....DIN976B .....................GD0531....Q/BU...J1517-95...................B18.2.6M........DIN2510 Heavy Hex.....GB5780....GB5782...GB5786.................ANSI/ASME....DIN931 Bolt...............GB5783.....GB1228...............................B18.2.1...........DIN933 .....................HG20613...GH20634.............................B18.2.3.5M .....................SH3404.....SHJ404...............................B18.2.6M .....................GD0532 Washer.........GB95..GB96..GB97..GB848..GB854.......ANSI/ASME....DIN126 ................................................................................B18.22.1.........DIN732 Anchor Bolt...GB799 HG21545...................................A307C Foundation Bolt.........................................................F1554-36 ................................................................................F1554-55 U-bolt.............JB/ZQ4321-97...HG-T21629...................U-bolt............DIN3570A Nut................GB6170 GB6174 GB6175 GB1228.........ANSI/ASME...DIN2510 HeavyNut.......JB2775................................................B18.2.2..........DIN934 ....................SHJ404 SH3404 B18.2.4.1M .....................H17......HG20634......HG20613 .....................GD0534....GD0535...Q/BU...J1517-95