Bolts
Hex bolts, anchor bolts, foundation bolts, U bolts, T bolts and special shape bolts.
Explore Bolts
Guanwei manufactures bolts, screws, nuts, washers and custom fastening parts for bridge, railway, building and photovoltaic applications, with strict process control from material selection to surface finishing.
Every order is handled through a practical manufacturing flow, keeping dimensions, strength, finish and delivery aligned with project requirements.
Focused on practical, firm and safe fastening products for industrial buyers.
Carbon steel, stainless steel and project-specified materials are selected according to performance requirements.
Cold heading, machining and threading processes support standard and special fastener structures.
Galvanizing, black oxide, HDG and other finishes can be matched to corrosion resistance needs.
Dimensional checks, strength control and export packing help reduce risk before shipment.
Browse the main product families, then send drawings or specifications for a precise quotation.
Hex bolts, anchor bolts, foundation bolts, U bolts, T bolts and special shape bolts.
Explore Bolts
Hex nuts, lock nuts, flange nuts, flat washers, spring washers and fender washers.
Explore Nuts
Guanwei focuses on fastener parts used where load, weather, installation efficiency and long-term safety matter.
Anchoring, connection and support fasteners for bridge construction.
Railway accessories and durable fastening components.
Reliable bolts, screws and accessories for structural installation.
Solar mounting accessories with practical anti-corrosion options.
Local product photos are used across the site so buyers can inspect common DIN fasteners, screws, bolts and nuts without relying on external image sources.
From first inquiry to after-sales service, the goal is simple: make every product firm, practical and safe.
Checks are organized around drawings, samples and project usage requirements.
Special sizes, special shapes and surface treatments can be developed for buyers.
Send product type, size, material, quantity and drawing for faster pricing support.
Share your drawings, standards, material, finish and quantity. Guanwei will help match the right production plan.