seamless tube production line, seamless pipe production line Strength of Cold Drawn Bench:5MT, 10MT, 20MT, 45MT, 65MT type: si Product: Cold Drawn Bench, seamless tube production line, seamless pipe production lineStrength of Cold Drawn Bench:5MT, 10MT, 20MT, 45MT, 65MTtype: single chain bench, double chain bench,It depends on client