Specialized in custom components and fasteners, the products encompass cold forging parts (screws, bolts, nuts, connectors, rivets), machining parts (CNC lathe, automatic lathe, cam machine, core conveyor, CNC, and machining center components), stamping parts (gaskets, retaining rings, precision laser-cut parts), and hot forging parts. Materials include carbon steel, stainless steel, copper, aluminum alloy, titanium alloy, carbon fiber, plastics, and rubber. Surface treatments range from galvanized nickel, Dacromet, and hot-dip galvanizing to painting and anodized coatings.

Material: carbon steel, Alloy steel, stainless steel and brass ; Finishing: zinc plated, copper plating, black, phosphating, mechanical galvanized, hot dipped galvanized, dacromet, etc ; Product Line: bolts, nuts, washers, screws, thread rods, steel structures, non-standard parts, metal stamping; Bolt Class: 4.8、5.8、6.8、8.8、10.9、G-2、 G-5 Nut Class: 6、8、10、2H、HV 10、G-2、G-5

1. Product Type Standards Fasteners: Compliant with DIN/IFI/JIS/ISO standards, covering core automotive products such as shoulder bolts, gear bars, spline screws, truck bolts, four-cornered screws, carriage screws, and T-bolts; chassis components, nuts, sleeves, exhaust pipe hooks, safety belt mandrel parts, and assemblies. Other products: rivets, irregular parts, customized products, mold-closing screws, special screws, and double bolts. 2. Product Specifications and Material Specifications: IFI standard (NO.4–1 inch, maximum length 8 inches), DIN standard (M4–M24, maximum length 200mm). Materials: carbon steel (compliant with ISO-898 and SAE J-429 standards), alloy steel, copper, aluminum alloy, and stainless steel (A2-50, A2-70, etc.). 3. Surface treatments include electro-galvanizing (trivalent chromium, hexavalent chromium), alloy plating (zinc-iron alloy, zinc-nickel alloy), painting (GEOMET, MAGNI, DELTA-TONE, etc.), electroplating of tin/nickel/copper, zinc phosphate, hot-dip galvanizing, and mechanical galvanizing. 4. The anti-loosening design covers chassis components, nuts, sleeves, exhaust pipe suspensions, main shaft parts of seat belts, assemblies, and various fasteners including bolts and nuts, carbon steel screws, stainless steel screws, and bimetallic screws.

Our products range:bolts, nuts, wood screws, machine screws, self-tapping screws, spring washers, flat washers, anchors etc. according to DIN, ANSI, BS and JIS standard. Made from carbon steel at Grado 4.8, 6.8, 8.8, 10.9, 12.9 with ACABADO of plain, black, zinc(bright/yellow), brass, nickel, chrome, etc. hex bolt, self-drilling screw

It is a company specialized in production and sales of Carbon steel spheroidizing annealing wire, Alloy steel spheroidizing annealing wire, rivet wire, bright wire. The products are mainly applied in the down stream customers like the suppliers of precision electronic screw, building screws, auto-car fasteners, rivets, precision springs and various Precision Machinery Elements etc.

flange nylon insert lock nuts,square head bolts,guardrail bolts, Hex Nuts,Hex Thin Nuts, Nylon Lock Nuts,Plain washers, Hex Flange Nuts,Self-tapping screws,Drywall screws,T-BOLTS,U-BOLTS,Hex bolts, Combine bolt,Hexagon flange bolts,Machine screw, High strength Double end studs ,

Haiyan Jinhan Import & Export Co., Ltd. is a comprehensive manufacturing enterprise integrating R&D, production, and sales of high-quality precision machined parts, non-standard bolts and nuts, custom-shaped hardware, and standard fasteners. Leveraging professional technical expertise, we provide customers with end-to-end solutions for non-standard fasteners—spanning everything from design to machining. By employing a combination of processes such as cold extrusion, forging, cold heading, casting, drawing, stamping, welding, and precision machining, we deliver optimized solutions that reduce procurement costs while ensuring superior product quality and reliability. Strategically located at the transportation hub connecting Shanghai, Hangzhou, Suzhou, and Ningbo, our company operates over a hundred units of automated CNC and machining center equipment, complemented by comprehensive auxiliary processing and testing facilities. This infrastructure enables full-process control—from design and development to production and inspection—ensuring high-quality products that meet diverse customer needs. Grounded in a pragmatic approach and enriched by extensive practical experience, we continuously enhance our capabilities to deliver increasingly comprehensive solutions to our clients. Haiyan Jinhan Import & Export Co., Ltd. focuses on the perfect fusion of precision machining and fastening technology; we excel at the precision machining of fasteners and are true specialists in the field. We prioritize customer needs and adhere strictly to the principles of integrity, utilizing world-class management and technology to provide top-tier products and services.

Steel, carbon steel, stainless steel, container house, foldable containers, vegetable greenhouses, energy efficient greenhouses vegetables

DIE-casting,aluminium,Fastening,hardware,plastic,stamping,etc.

stainless steel ball valve, pipe fittings, elbow, union, stainless steel products