Gear, Herringbone Gear, Double Helical Gear manufacturer / supplier in China, offering Advanced High-Speed Gearbox GS2h1000 for Aviation Test Bench, Customized High Speed Gearbox (Increaser) Gsc500 for Gas Turbine Power Generation, Customized High Speed Gearbox (Increaser) Gsc630f1 for Petrochemical Compressor and so on.