... roller forging blank for pelletize, ller die forging, ring roller dies for pellet mill Founded in 1969, Zhangqiu Baohua ... Bosch Rexroth, Kerui Group, Dezhou United Petroleum Machinery, Jier Machine-tool Group Co., Ltd., Shantui Construction Machinery, Beijing Baoji ... management, and high-quality service.Paul JingSales managerTel: 0086-13853179742Fax: 0086-531-83861079, flat die pressing wheel forging