Services

Laser Processing Services

Founded in 2013 with registered capital of RMB 20 million, Tangshan Haigong Machinery Equipment Co., Ltd. is engaged in the manufacturing and R&D of dredging vessels with its own design and development team. The company has long worked with waterway authorities and dredging enterprises, serving more than 30 provinces, municipalities and autonomous regions in China and exporting to Vietnam, Indonesia, Malaysia, Nigeria, the Philippines and other markets. In addition to complete dredger manufacturing and repair, its main products include split cutter suction dredgers, dredging cutter heads, mud pumps and accessories, suction and discharge pipelines, spray nozzles, traverse pulley assemblies, grab buckets, scraper dredging tools, anchor buoys and drag heads with single- or double-tooth configurations. The company also undertakes equipment fabrication for metallurgy, cement, coal and petroleum industries. In 2021, it independently developed 22 laser cladding units and expanded into laser cladding, remanufacturing and surface strengthening for power, metallurgy, steel and machinery applications. TSHAIGONG provides 24-hour on-site service and follows a quality- and reputation-led approach.

Laser cladding service

Process Capabilities

Laser cladding

For worn, corroded or dimensionally damaged surfaces, improving hardness, wear resistance and corrosion resistance.

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Laser quenching

For surface strengthening and heat treatment related requirements.

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Laser welding

For precision welding and local joining requirements.

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Laser alloying

For surface microstructure and performance modification requirements.

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Project Experience and Service Capability

Service experience across metallurgical spare part repair, dredging components and surface strengthening needs.

Dredger Manufacturing

Complete manufacturing, repair and R&D|Dredger manufacturing, repair and R&D

Dredging Vessel Spare Parts

Long-term supply|Dredging vessel spare parts supply

Laser Cladding Equipment

22 units developed in 2021|Self-developed laser cladding equipment and remanufacturing

Domestic Market

More than 30 Chinese provinces and regions|Products serving more than 30 Chinese provinces and regions

Export Markets

Vietnam, Indonesia, Malaysia, Nigeria and the Philippines|Export markets including Vietnam, Indonesia, Malaysia, Nigeria and the Philippines

On-site Service

24 hours|24-hour on-site service

Laser Cladding Service

Laser cladding is used for surface restoration and performance strengthening after wear, corrosion, scoring or dimensional loss. TSHAIGONG designs, develops and produces laser cladding equipment and provides laser cladding processing services.

Surface restoration for rollers after wear, corrosion or fatigue-layer removalDimensional restoration of bearing positions, sealing positions and mating surfaces on shaftsLocal repair for mill housings, guides, bearing housings and other metallurgical equipmentSurface strengthening for gear shafts, motor shafts, pipe molds and pinch rollers
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Repair Scope

On-site mill housing repairLaminar cooling rollerContinuous casting rollerMill guideStraightening rollerGrooved rollerSemi-steel rollerCast pipe moldPinch rollerBimetal composite slide linerGear shaftMotor shaftRoll bearing positionRoll bearing housing