Haina H-tech Precision Machinery Co., Ltd.

A high-tech enterprise specializing in designing and manufacturing the straight seam HF pipe mill welding machine(ERW LINE), straight seam submerged-arc pipe welding machine, large diameter stainless pipe welding machine, precise stainless industrial pipe welding machine, square and rectangle pipe machine, cold roll forming machine, spiral welded pipe mill, slitting line, cut to length line and other complete machine.