We are specialized in producing various pipe fittings and flanges. Our leading products include high, medium and low-pressure elbows, seamless welding straight and reducing tees, reducers, caps, and flanges. The products of pipes, pipe fittings and flanges can meet the criteria of GB1259-90, GB/T13401, ASME/ANSIB16.9, DIN3605,JISB2311 and other international criteria.