Customer First、 Superior Quality 、Competitive Pricing、Prompt Delivery

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.

all kinds of hex socket head bolts, hex bolts, carriage bolts, double end studs, anchor bolts, U bolt, T bolt, track bolts, flange bolts, guardrail bolts, threaded steel bolts and a variety of high strength non-standard fasteners, various specifications of standard and non-standard nuts, washers and studs. Grade range: Grade 4.8 to Grade 12.9.Materials: steel and stainless steel. Surface treatment: zinc plated, black, hot dip galvanizing, plain and so on. DIN931 DIN933 Hex bolt stud rod

Fasteners, fittings, nuts, bolts, other fasteners & fittings, rivet nuts, non-standard nuts, round nuts, bolts, lock rivet nuts, hex rivet nuts We specialize in producing rivet nuts. Standard: Metric, ASME or BS Thread: Coarse or fine thread Material: Carbon steel, stainless steel or copper Surface treatment: Zinc plating, or nickel plating

Bolts: hex bolts, hex socket bolts, flange bolts, carriage bolts, eye bolts, hooked bolts, L-bolts, U-bolts, track bolts, anchor bolts, stud bolts, non-standard bolts, etc. Nuts: standard nuts, BS nuts, flange nuts, eye nuts, castle nuts, lock nuts, wing nuts, non-standard nuts, etc. Washers: flat washers, spring washers, non-standard washers Pins: spring pins, dowel pins Forgings: non-standard, process with samples and drawings

M12 to M52 or 1/2" to 2" GB, DIN, ANSI (ASTM), BS, JIS, ISO and AS standard nuts, non-standard nuts, car fasteners and fasteners for agriculture machines, standard and non-standard hex bolts.

Various non-standard fasteners,Full range of non-standard nuts

lock nuts, flange nuts, nylon nuts, hex nuts, square weld nuts, plastic washers, rubber washers, various round nuts, non-standard nuts and so on.

Hex Nuts, Hex Flange Nuts,Cap Nuts,Weld Nuts,Slotted Nuts,Nylon Lock Nuts,non-standard nuts,Weld Nuts in accordance with GB, ISO, BS, ANSI (IFI), JIS, DIN and high-quality products in various materials like ordinary steel, carbon steel, and high strength fasteners material

Flange nuts, induction nuts, square caps, non-standard nuts and non-standard parts of various specifications