... ring, planet carrier, gear output shaft, rear ring, back shaft, hydraulic jack and so on.Founded in 1969, Zhangqiu Baohua Forging ... are 50 million RMB.Our forging equipment includes: 8T/5T/3T Electric-hydraulic hammers, 3T/1T/750kg board drop hammers, various types ... by exquisite technology, strict management, and high-quality service. Hydraulic Internal gear ring forging for (REXROTH BOSCH GROUP)