ring roller dies, die and roller, roller die forging, ring roller dies roller die forging, ring roller dies Founded in 1969, Zhangqiu Baohua Forging Co., Ltd. is ... Zhangqiu County, we have factories covering an area of 26,000 square meters. Our building area is 9,800 square meters ... service.Paul JingSales managerTel: 0086-13853179742Fax: 0086-531-83861079 ring roller dies