Chain, wire rope and rigging
Reliable chain, wire rope and rigging supplier
German standard and American standard chain are our advantage products, alongside stainless steel chain, security chain, high tensile chain, wire rope and rigging hardware.
Factory direct
Manufacturer and exporter of chain and wire rope
Over 10 years of chain production experience, with our own international trade team for direct export to global markets.
By the numbers
Our Achievements
We measure the business by useful products, dependable partners, and customers who come back when they need the next everyday piece.
- 500
- Clients Served
- 👥
- 1000
- Success Cases
- ✅
- 98
- Client Satisfaction
- ⭐
- 10
- Years of Experience
- 📅
Product Showcase
Quality Chain & Wire Rope Products
Professional manufacturing of high-quality chains, wire ropes, and lifting solutions for industrial applications
EN818-2 lifting chain
EN818-2 lifting chain G100
EN818-2 lifting chain G100, 22MnCrNi alloy steel, grade 100 for high-capacity lifting.
American standard link chain
zinc plated American standard passing link chain
Zinc plated American standard passing link chain, low carbon steel, for general purpose and transport work.
DIN763 stainless steel long link chain
AISI316 stainless steel long link chain
AISI316 stainless steel long link chain, polished, grade 30 or 50, for marine and outdoor use.
Germany standard link chain
Electro galvanized blue DIN763 link chain
Electro galvanized blue DIN763 link chain, low carbon steel, grade 20 or 25, for general purpose use.
Germany standard link chain
Hot dip galvanized DIN766 chain
Hot dip galvanized DIN766 chain, low carbon or alloy steel, zinc coated for outdoor and marine use.
EN818-2 lifting chain
Black oxide G80 lifting chain
Black oxide G80 lifting chain in alloy steel (20Mn2, 25MnV or SAE8620), grade 80 for lifting duty.
Square link security chain
alloy steel square link security chain for lock
Alloy steel square link security chain for locks: square link or D-type profile, zinc plated, 3.2-25.4 mm, with PVC or nylon cover available.
American standard transport chain G70
yellow zinc chromated transportchain G70
Yellow zinc chromated transport chain G70, alloy steel, heat treated, American standard grade 70 for load securement.
Stories and guides
Latest articles
Read our latest stories, guides, and updates.
Oct 27, 2026News & Insights
DIN 5685 Chain: Form A Short Link vs Form C Long Link
DIN 5685 form A short link and form C long link differ in length and weight, not in strength. What the standard table shows, and how to choose between them.
Oct 26, 2026News & Insights
Why AISI 316L for Marine Chains
Salt spray, galvanic currents and continuous immersion destroy ordinary chain. Why AISI 316L stainless steel resists them - and how it differs from 304 and 316.
Oct 26, 2026News & Insights
Nantong Boyuan Metal Technology Co., Ltd.
Nantong Boyuan Metal Technology Co., Ltd is specialized in chain, steel wire rope and rigging products for over 10 years. We insist on customers' demands first, providing high quality welded and weedl
Oct 26, 2026News & Insights
G80 lifting chain or EN818-2 lifting chain
Currently, most G80 chains in the domestic market are made of 20Mn2 or 25mMnV alloy steel. These chains meet the requirements for export to most countries. However, some European customers require ch
Oct 26, 2026Services Overview
Chain and wire rope: Solutions for different applications
At Boyuan Metal, chain and steel wire ropes are far from isolated products. They are part of a complete system, equipped with a wide range of accessories designed for specific applications and indust
Oct 26, 2026News & Insights
What Is DIN 766 Stainless Steel Chain
DIN 766 stainless steel chain is a calibrated round-link chain designed for smooth engagement with boat windlasses. The DIN 766 standard defines precise link dimensions (pitch ≈ 2.8 × wire diameter),