... Self-developed, national patent approved 2. Stable performance, two-stage planetary mechnism 3. Non-rust, big torque, 290Kg XHG01 series ... standardization for machinery manufacturing enterprise.- Precision forging, cutting by CNC machine, heat treatment by German IPSON & laser techniques .- Strictly ... .0828.32159.16160001000565290XHG01.51000.0928.32159.16160001000565290 Two-Stage Planetary Gearbox