About US
Factory-Direct Welding Consumables. Stocked in the U.S.
Copper Bridge is the official U.S. distribution brand for Dingzhou Jinlong Metal Products — factory pricing, American inventory, real accountability.
Our Story
Two decades of manufacturing. One mission: bring factory-direct welding consumables to American shops. How we’re structured: Jinlong is the manufacturer (China). Copper Bridge USA is the U.S. operation—built to stock, ship, and support American customers.
Explore the timeline
Manufacturing Begins (Dingzhou, China)
Dingzhou Jinlong Metal Products Co., Ltd. is founded and begins building long-term production capability in welding consumables.
Growth & Recognition
Operations expand and the company earns regional recognition as export activity increases.
Middle East Expansion (Dubai)
A Dubai office is established to support customers and strengthen regional partnerships.
East Africa Support (Nairobi)
A Nairobi support presence is added to better serve growing demand in Africa.
Southeast Asia Direct Sales (Philippines)
A direct sales company is established in the Philippines, reinforcing long-term market growth in the region.
Process & Quality Upgrades
Manufacturing systems, testing, and standardization are strengthened to better align with international market requirements.
Multi-Brand, Multi-Market Expansion
Regional brand programs expand (including NIHOWELD, ZETA, SHARP) while Copper Bridge continues to grow into more overseas markets.
Copper Bridge USA Launch (Riverside, California)
Copper Bridge officially launches in the United States, opens its first U.S. warehouse in Riverside, California, and launches the American website—supporting faster fulfillment and U.S.-based customer service.
Why Shops Choose Copper Bridge
Factory-Backed Supply
You're buying direct from the manufacturer — Dingzhou Jinlong, established 2004. No middlemen, no brand tax. Same wire the big names sell.
U.S. Inventory, Fast Shipping
All inventory sits in our Riverside, CA warehouse. No overseas lead times. Order today, it ships from California.
Full Documentation on File
SDS and TDS ready for every product. COA/COC available on request for applicable products and lots. We keep the paperwork so you don't have to chase it.
Consumables shouldn't be a gamble.
Too many shops deal with mystery wire, inconsistent quality, and suppliers who disappear after the sale. You get a different brand every shipment, no documentation, and no one to call when something doesn't run right.
Copper Bridge exists to fix that. One source, one factory, consistent product, and someone who picks up the phone.
What We Sell
Stick Electrodes
E6011, E6013, E7018. 6011 for outdoor and dirty steel. 6013 for sheet and light fab. 7018 for structural joints. Bulk cartons to full pallets.
Browse Stick ElectrodesSolid MIG Wire (ER70S-6)
GMAW wire for indoor fab and general mild steel. 2 lb to 44 lb spools, case and pallet quantities.
Browse MIG WireFlux Core Wire
E71T-GS gasless for wind and field work. E71T-1C dual-shield for shop use. All spool sizes in bulk.
Browse Flux CoreAll products available from single spools to full pallets.
Built on Specs. Backed by Paperwork.
AWS Classifications
Our consumables are labeled to their applicable AWS classifications — ER70S-6, E7018, E71T-GS, and more. Same designations the industry runs on.
SDS & TDS on File
Safety Data Sheets and Technical Data Sheets for every product we sell. Ask and we send them. No runaround.
COA / COC Available
Certificates of Analysis and Conformance available on request for applicable products and lots. Documentation you can hand to an inspector.
Documentation availability varies by product and lot. Contact us for specifics.
Where We Ship From
All inventory is stocked and shipped from our warehouse in Riverside, California.
Need freight for pallets or full trucks? We quote delivery to your dock.
Frequently Asked Questions
Who is Copper Bridge?
Copper Bridge Welding Supply is the official U.S. distribution brand for Dingzhou Jinlong Metal Products, a factory established in 2004. We handle all inventory, support, and distribution from Riverside, California.
Where are your products made?
Our products are manufactured by Dingzhou Jinlong Metal Products. All U.S. inventory is stocked in our Riverside, CA warehouse and ships from there.
What AWS classifications do you carry?
We carry consumables labeled to ER70S-6, E6011, E6013, E7018, E71T-GS, and E71T-1C classifications. SDS and TDS are on file for every product.
Can I get documentation for my products?
Yes. SDS and TDS are available for every product we sell. COA/COC documents are available on request for applicable products and lots.
Do you sell to individuals or just businesses?
We sell to everyone individual welders, shops, schools, distributors, and government buyers. Volume pricing is available for larger orders.
How fast do you ship?
Orders ship from Riverside, CA. Transit time depends on your location and order size. We can quote freight for pallets and larger shipments.
How do I get pricing for bulk orders?
Contact us through the form on this page or call us directly. Tell us what products you need, quantities, and your shipping ZIP. We usually respond within 1 business day.