• Gearboxes

    TYHI is a professional gear transmission manufacturer which has its main gearbox products for complete sets of convertor tilting device, wind power, cranes, mining excavators, rolling mill machines, offshore drilling platform jack-up system and other standard gearbox products.

    Tilting Device for Convertor

    TYHI is capable of designing undefined manufacturing for the complete set of 30t-350t steel making converto...

    Gearbox for Wind Power

    TYHI has developed 1.5MW, 2MW, 2.5MW, 3MW, 3.6MW, 5MW wind power gearboxes and gained GL and CCS certificat...

    Crane Reducer

    ​There are hoist reducers and travel reducers in cranes. Hoist reducer is a key transmission equipment of ...

    Excavator Reducer

    ​Propel reducer and swing reducer are planetary transmission reducers which have features like modularizat...

    Reducer for Rolling Mill

    The reducersaremainly installedonAssel,Diescher, double-roll tandem mill, triple-roll tandem mill, barmill,...

    Jacking System for Offshore Drilling Platform

    ​Jacking system uses gear-rack engagement principle to realize the lifting operation. Being installed on t...

    Standard Gear Reducer and Other Products

    Mainly in top-drive drilling device, ship gearbox, grinding mill gearbox, gearbox for sugar rolling mill, t...