... galvanized tube, pipe in round, square, oval, rectangle. FOR tube mill line/pipe machine/pipe making machine/tube machine/tube making ... Machine/welded pipe making machine/HF tube mill/high frequency tube mill/ERW tube mill lineTube Mill, Steel Pipe Production Line, Pipe Mill1. ... Main features of tube mill machine:1.round steel pipe maker 2.cold roll forming 3.Factory price 4.customer-made Procedure1 ...