INTRODUCTIONNINGBIAO BOLTS&NUTS MANUFACTURING CO.,LTD is located in Ningbo of China, a beautiful, and rich coastal city, adjacent to the great oriental Port-Beilun harbor to the east.We are a professional fasteners factory from Ningbo,China and specilize in produce Bolts and Nuts.Our factory Ningbiao Bolts&Nuts Manufacturing Co.,Ltd. have about 15 years experiences of produce Nuts and Bolts.We can produce the products as follows,THREADED RODS&STUD BOLTS: A193 GR.B7,B7M,B8,B8M,B16; GR.B16; A320 GR.L7 ,L7MBOLTS: ASTM A325 / A490 STRUCTURAL BOLTS,DIN6914 STRUCTURE BOLTS,DIN933/931 HEX BOLTS; DIN960 / 961 HEX BOLTS, ANSI GR.2/GR.5/GR.8 UNC/UNF HEX BOLTSNUTS: ASTM A194 GR.2H,GR.2HM,GR.7/7M,B8,B8M HEAVY HEX NUTS; ASTM A563 HEAVY HEX NUTS; ANSI GR.2/5/8 HEX NUTS; DIN6915 STRUCTRUE NUTS; DIN934 HEX NUTSWASHER: ASTM F436 HARDENED FLAT WASHERS, DIN6916 STRUCTURAL WASHERS, DIN125 FLATWASHERS, DIN127 SPRING WASHERSThese products are welcomed by our many clients which from North America,Europe, Middle East and other regions. Because our main products have good quality and best prices. Our corporation specialize in producing Nuts and Bolts for many years, so our technology is at the High-class level in this industry and our products have fine workmanship, especially the technology of produce the 2H NUTS and B7 Stud Bolts. Our company is a ISO 9001:2015 certified manufacturer of industrial fasteners. We also can supply the special bolts&screws and nuts according to your drawings and requirement.Please let me know your specific requirement so we will provide competitive price, on time and fast delivery with best service immediately!Many Thanks&Best Regards,