... Piping Fitting Up Machine Suitable for pipe-various of fittings to fit up labor cost reduction input,high effici Piping Fabrication Fast ... CNPC, SINOPEC, CNOOC, CNCEC, CSIC, CSSC, ASL etc. Performance features Fit-up and tack welding the straight pipe with fittings such ... situation)Track type: Hexagonal steel track Welcome to you contact with us to get more informations.Learn more informations pls ref ...