东莞市科波特焊接科技有限公司全新官网正式启用
Cobolt Welding Technology Website is Officially Launched!
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As an authorised partner of China’s premier welding brands—including Bridge, Atlantic, Golden Bridge, and Dongfeng—we deliver certified carbon steel, stainless steel, and specialty steel welding solutions meeting international standards.
Welding Equipment & Accessories (1000+SKUs)
and Research
As a premier welding materials enterprise in Guangdong, we deliver integrated technical solutions through one-stop sourcing of consumables and accessories.
Customer care
and support
We provide end-to-end technicalsupport for welding consumables. Ourprofessional welding engineers deliverinstant solutions, from pre-weldingmaterial selection to defecttroubleshooting, with on-site assistanceavailable to minimize downtime.
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We have collaborated
with over 8000 clients
ABOUT US
DONGGUAN COBOLT WELDING MATERIALS CO., LTD.
As welding solutions experts, we deliver a full range of welding materials: operating as tier-1 authorized distributors for leading domestic brands while owning our proprietary brand CO-REL®. All products are rigorously benchmarked against international standards (AWS/EN/ISO), with integrated smart manufacturing and vertical supply chain management enabling dual optimization of quality and cost.
Recently expanded capabilities include specialized welding for stainless steel and non-ferrous metals, establishing a one-stop supply ecosystem covering all welding consumables and equipment accessories.
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// Explore Our Products
What Do We Offer
CO-REL® ER50-6 Gas Shielding Arc Welding Wire
Shielding Gas: CO₂Available Diameter (mm): 0.8 / 0.9 / 1.0 / 1.2 / 1.6Mechanical Performance of Deposit MetalTensile Strength MPa (N/mm²):···
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CO-REL® TIG-50 Argon Arc Welding Wire
Application: Used for welding carbon steel and low alloy steel structures of corresponding strength grades, applicable to industries such as···
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CO-REL® KR·308 (A102E) Stainless Steel Welding Rod
CO-REL® KR·308 （A102E）is atitania-calcium coated stainless steel electrode(AWS E308-16 equivalent) with excellent mechanical properties ···
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CO-REL® D707 Hardfacing Electrode
D707 Wear-Resistant Electrode (EDW-A-15)is alow-hydrogen sodium-coated carbon steel electrodewithtungsten carbide-infused coating. Designed ···
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CO-REL® Submerged Arc Welding (SAW) Wire
Application:Common applications include shipbuilding, pressure vessels, bridges, construction machinery, building equipment, and steel struc···
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CO-REL® HJ431 (Fused) Submerged Arc Welding Flux
Application:CO-REL®HJ431 flux is designed for submerged arc welding with H08A, H08MnA, H10Mn2, and H10MnSi wires, suitable for carbon steel···
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CO-REL® HJ431-GX (Fused) Submerged Arc Welding Flux
Application:CO-REL®HJ431-GX flux is designed for submerged arc welding with H08A, H08MnA, H10Mn2, and H10MnSi wires, suitable for carbon st···
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Our articles and insights
Fresh Insights and Updates. Your Guide to Professional Manufacturing
Dongguan Cobolt Welding Technology Co., Ltd. Launches New Official Website
Dongguan Cobolt Welding Technology Co., Ltd. Launches New Official WebsiteJuly 2025, Dongguan, Guangdong — Cobolt Welding Technology Co., L···
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技术纵深解析：二氧化碳气体保护实芯焊丝的工作原理与核心特性
Technical depth analysis: Working principle and core characteristics of carbon dioxide gas shielded solid wire - Efficient metal connection ···
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