Provide forged trunnion, trunnion forging blank, forged + normalized + turnning + modulation forged trunnion, trunnion forging blank We are professional manufacturer of forging parts in China. We produce forging parts for petroleum machinery , hydraulic machinery forging, construction machienry, mining machinery and so on.Founded in 1969, Zhangqiu Baohua Forging Co., Ltd. is located in the most ...