1.weigth:<30ton 2.DIA:<8m 3.winder shaft-Forged shaft 4.42CrMo4,BS970 709M40,34CrNiMo6,BS970 826M40 Feature:1.weigth:<30ton2.DIA:<8m3. winder shaft-Forged shaft4.42CrMo4,BS970 709M40,34CrNiMo6,BS970 826M40 We Shanghai ZENT Industrial Co., Ltd was established in 2006, situates in the Yangtze River Delta, China’s most dynamic place. Covering an area of 53,000 square meters, it holds the capability ...