增速器 meaning in Chinese

speed increaser
speed increasing gear
speed-increasing gear

Since 2000 till now our company has gained a great achievements in metallurgy mechanical manufacturing . we provided multimillions of rolling machine , finishing factory group , prep - finishing factory group , rougher mill , reductor , speed - up machine etc full set group as well as all kinds repair piece and awaiting parts to jiangsu yongfeng steel factory ( lianfeng group ) and jiangsu huayin huaxi non - corrosive steel factory
二、 2002年至今公司在冶金机械的制造领域又成功的向江苏联峰钢铁集团永联钢厂、江苏华阴华西不锈钢厂提供了价值千万元的轧钢机、精轧机组、预精轧机组、粗轧机、减速器、增速器等整套机组和各类备品备件。