... Small, Medium, Heavy-Duty and Large cylinders : From 25 mm up to 1 000 mm Changzhou Tent ... strip ,copper busbar,copper tube. Drawing force from 50tons to 2000 tons B:hydraulic press straightening ... We have been cooperating with many famous company from Japan, USA,Finland,Germany.3. cold drawn presion ... machine to make honed tube. Production line A: ID from 20 to 250mm, Max finished product's length ...