(ZXL1200-2.5-4*3*1(00Cr17Ni14Mo2 1. A large- ... of the corrugated pipe design ,research and development, manufacture.2. Owning Peoples Republic of China Special Equipment (pressure ... are formed by hydraulic press of 22000T,12 000T, 2 400T, 2 000T, 1 200T, 350T, and roll forming ... which was appreciated by users.8 manufacturer ability: thickness: 0.1mm-50mm, dianmeter: 15mm-5000mm, length:20mm-3000mm. ...