... ZENT Industrial Co., Ltd specializes in the free forging of carbon steel, alloy steel, stainless steel and nickel ... equipments, such as 4000 tons Hydraulic machine, 2000 tons Hydraulic press machine, RAM3800 CNC ring rolls, 3T electric ... controlled 300KN electronic universal testing machine, 600KN Hydraulic universal testing machine, Automatic impact testing machine computer monitoring, Germany Spike ...