Dalian Longsheng Metallurgical Equipment Manufacturing Co., Ltd. is a professional manufacturer and trading company established in 2014 and based in Dalian, China. Operating from a 20,000-square-meter facility with a workforce of over 100 skilled employees, the company specializes in the processing, manufacturing, and repair of metallurgical equipment and heavy machinery components. Its technical leadership and core production team originate from the Dalian Huarui Heavy Industry Group, bringing significant expertise to the enterprise.
The company is a leader in advanced surface treatment and welding technologies, including build-up welding, cladding welding, thermal spraying, and supersonic spraying (JP8000). Their comprehensive product portfolio features continuous caster rollers, forged rolls for hot and cold rolling mills, crystallizers, fan-shaped sections, and coiling roller tables. They also manufacture large-scale equipment such as stacker reclaimers and calcium carbide furnaces. Beyond metallurgy, the company serves the shipbuilding, ocean drilling, mining, and chemical industries, and has contributed to the development of military-grade products and advanced ceramic materials like silicon carbide and tungsten carbide.
Equipped with ISO 9001 certification, Dalian Longsheng maintains rigorous quality control through advanced testing equipment, including laser trackers, CMM, and X-ray flaw detectors. The company has established long-term partnerships with major international and domestic enterprises, including Sumitomo Group, Nippon Steel, POSCO, and SMS-DEMAG. They offer OEM and contract manufacturing services, providing high-quality, wear-resistant components designed for demanding industrial environments.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Product customizationOffers full customization for design and features.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
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Continuous Caster Roller-Cladding Welding Wear Parts
New Technology of Repair of Forging Die by Built-up Welding Surfacing Welding
Study on Procedure and Properties of Co_2+ N_2 Arc Surfacing After Thermal Spraying of Alloy Powder
China Forged Roller Repair Wear Resistant High Hardness
Cladding Welding-Wear Parts-Forged Back up Rolls for Hot and Cold Rolling Mills
Repair Surfacing Welding for Large Gear
China Forged Roller for Steel Mills-Cladding Welding
Surfacing Welding-Built up Welding-Cladding Welding China
Roller for Stacker-Reclaimer Cladding Welding Wear Resistant High Hardness
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Certifications
ISO 9001
3
International Organization for Standardization 9001
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Key export market
EuropeEurope
North AmericaNorth America
AfricaAfrica
AsiaAsia
South AmericaSouth America
OceaniaOceania
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