Ningbo grand fastener co., ltd is a manufacturing and trading company that specializes in providing a wide range of high quality fasteners including bolt, screw, nut, threaded rod, washer, and special fasteners. We not only provide ANSI/ASTM, IFI, ISO, DIN, JIS, BS, GB standard fasteners, but also provide non-standard fasteners as per your drawings and samples. We have one our own factory which specializes in manufacturing high quality high strength bolts and nuts, and it has been certified by ISO9001 quality assurance system. We mainly export to Japan, Germany, U.K., U.S.A., Canada, Australia, Russia, etc for many industrial uses in automobile, construction, shipbuilding, bridge, metallurgy, Chemistry, etc. Meanwhile, we also play one role to be one distributor and wholesaler for many Chinese famous high quality fasteners brand, and OEM service available. Our factories all have obtained ISO9001:2000 certification for many years, and some of them have approved ISO14000 and CE certification. So our quality is ensured for you. Our factories strictly conduct fasteners sampling inspection and lab test with our testing machines and instruments. Mechanical properties and chemical properties test for each bulk production to ensure our quality. And the third party authoritative inspection service is provided for special requirement from some special customer groups. We always provide our customers with high quality products, reasonable prices, timely delivery and satisfactory professional services. We look forward to establishing mutually beneficial and long-term business relationships in near future. We would love to have the opportunity to show you how we can take care of your fastener needs. Standard: ISO, DIN, ANSI/ASTM, IFI, BS, JIS, Others Material: Carbon steel, Alloy steel, Stainless steel Grade: SAE2, 5, 8, (ISO4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9&12.9), B7, L7, A307, A325, A490, A449, A194, A2, A4