... Product Description coupling Hebei Long Pipe Industry Machinery Manufacturing Co., Ltd. specialized in producing steel pipe, power plant parts, difficult ... compensator, elbow, tee, cross, reducer, bend, flange, pipe cap, threadolet,weldolet,sockolet,nipple,union,plug,coupling,bend, bearing ... tube parts, processing 10mm --- 426mm diameter and a variety of custom-made greater curvature. U-type bend ...