... horizontal forging and upsetting machine. In 2005, after National key enterprises China National Erzhong Group, China National Yizhong Group, Taizhong, Shenzhong ... Steel, Zhujiang Steel, Great Wall Steel, Shaoguan Steel, Wuyang Steel, Jinan Steel, An Steel, Jiuquan Steel, Kunming Steel, Laiwu Steel, Handan ...