... manufacturer of Hydraulic machinery forging for REXROTH BOSCH GROUP, include internal gear ring, Provide Bosch Rexroth ... -truck, Bosch Rexroth, Kerui Group, Dezhou United Petroleum Machinery, Jier Machine-tool Group Co., Ltd., Shantui Construction Machinery ... cooperative relationships. Our company regards product quality as enterprise's life and attained ISO9001 quality system certification ...