Changzhou, China

Changzhou, China

Praxair Surface Technologies

37 Longhui Road
Wijin Hi Tech Industrial Zone
Changzhou, Jiangsu Province
China 213164

Tel +86.519.8619.8333


Quality Accreditation 


Food & Beverage
Nuclear Power
Power Generation
Primary Metals
Print & Packaging
General Industry


Aircraft Engines: Bearings, combustion chambers, compressor air foils and drums, discs, fuel nozzles, rim cover plates, rings, seals, shafts, swirlers, turbine airfoils, discs, and shrouds
Airframe (Center of Excellence): Actuation systems, auxiliary power unit components, environmental control components, landing gear, propulsion structures, starter components, tracks (flap and slat), and wing components


Ball valves, blowout preventers, choke valve inserts, compressor piston rods, connector pins, downhole logging and inspection tools, drill bits, drive shaft seal areas, FCC valve components, gate valves, housings, hydraulic cylinders, mandrels, mechanical seals, mixer rotors, pin subs, pipe inspection rub shoes, plungers, pump shaft sleeves, riser tensioners, rotors, rotor shafts, rub shoes, seals, shock absorbers, single-lob rotors, stabilizers, sterns, tri-cone drill bits, valve chokes, valve stems, wash pipe, wear pads

Power Generation

Combustion baskets, compressor blades, compressor wheels, diaphragms, fuel nozzles, impellers, nozzle guide vanes, segments, shroud tiles, transition pieces, turbine buckets, nozzles, and rotors


Surface Technologies 

Aluminum Oxide 
Engraving (Anilox Rolls)
Thermal Spray (D-Gun, HVOF, Plasma Spray, Super D-Gun)

Other Services

Abrasive blasting
Electrolytic stripping
Finishing & machining
Grit blasting
Inspecting & testing
Mechanical stripping
Silicon carbide blasting