C&H Welding is an expert on the overlay based on special welding.

We are specialized in Corrosion resistance and Hard facing welding by using SMAW, GTAW, FCAW, GMAW, PTA welding processes. 

According to customer’s specification / ASME Sec.IX,

WPS(Welding Procedure Specification) development can be offered.

And in order to get high quality, after checking a result of sample that is tested exactly carried on with the valid welding processes, variables by produced WPS,

we perform welding after verifying the results to specify a welding range thereby work can be more effective and best condition.

It can be applied to various product such as Roller, Bucket, Cone crusher, shaft, Pressure vessel, tool, Gear, Tubesheet, Ring, Screw, Pipe, Elbow, Tee, Flange, Valve, etc., and various business fields such as steel making, heavy industry, shipbuilding, offshore plant, petrochemistry plant, etc., and it will bring many advantages for cost reduction, long maintenance period, and quality improve.

C&H Welding will do our best to realize customers satisfaction and make the best quality products on the basis of overlay welding technology.