Taizhou City Tongyu Variable Speed Machinery Co., Ltd. is specialized in the production of speed-reducing and speed-changing machinery. Worm reducer is one of the super product of TONGYU.Reducer is the coordinated product of main equipment.Mainly used for crane,rolling mill,excavator,gas furnace,forging,space launch, mine,petroleum extract etc. equipment design & manufacture coordinated reducers. TONGYU is a producer of the standard reducers having the whole range of reducers of 025,030,040,050,063,075,090,110,130sizes. TONGYU also offers reducers equipped with motors of different sizes.