YOKIYO Heavy Transmission Machinery CO.,LTD
1.1942 , Establish Electric Motor Factory, Mainly
products for China Army Industry.
2.1953, produce the China first unit speed reducer.
3.1958, design and produce JTC series (Now is YTC series) soft gear
tooth faced speed reducer.
4.1979, design and produce the YCJ series hard tooth faced speed
5.1986, imported full set of gear box technical from
6.1987, design and produce SZJ series DC planetary geared motor.
7.1994, establish the Geared Motor factory.
8.1998, passed the ISO9001 system certification.
9.1999, start to produce the SEW company model , S. R. K. F series
10.2002, produce the W series worm geared motor and YQWJ series
worm gear box.
11.2004, produce YNGW and NGW series planetary gear speed reducer.
12.2005, produce Z series ( ZDY, ZLY, ZFY), D series( DBY, DCY,
DFY) and ZLYJ series hard teeth faced gear boxes and speed
reducers. Meanwhile, establish the FRIENDED company
13.2006, produce SEW company model MP, MR series and
FLENDER company model H. B series hard tooth faced speed reducer.
We welcome the old and new customer come to visit our factory in
China. We offer the best price, best quality and best
The Company holds gear hobbing machines and gear slotting machines
of various specifications;HOFLER RAPID1000,etc
CNC-conlroI spiral beveI gear milling machines(3sets C100u:1 set
C60U),and one sef testing equipmenf GKP851 from
KLINGELNBERG,GERMANY,can do soft milling and hard
finishing(precision grade 5).There are also assorted domestic and
foreign testing equipments and heat treatmentplant for gear case
hardening,quenching and nitriding and high frequency
quenching,etc.to improve the internaI quality of gears.Among them
are several furnaces for case hardening adopting Siemens controlled
system:diameter reaches to 4000mm,case depth:7-8ram,rigidity of
gear surface:HRC58-62. Af present,our products have farm