ring roller dies, die and roller, roller die forging, ring roller dies roller die forging, ring roller dies Founded in 1969, Zhangqiu Baohua ... Machinery, Liuzhou Engineering Company Limited, and many other large-sized and medium-sized enterprises.Our forging products ... -quality products by exquisite technology, strict management, and high-quality service.Paul JingSales managerTel: 0086-13853179742Fax ...