forging rings

Maanshan Liyuan Industrial Co.,Ltd is one of the Largest and Integrated Professional Manufactuers of  Slewing Bearing , Slewing Drives，Forging Rings，Castings，flanges  in China.We Suppply Our Products to Leading Domestic and International Machine and Equipment Manufacturers . Our products are widely applyed in Excavators,Tower Cranes, Aerial Working Platform,Port Cranes,Construction Equipment,Mining Equipment ,Wind Turbine Application ,Heavy Mobile Cranes,solar tracker,and so on.
 
We are located in Maanshan city, Anhui Province, with more than 300 employees, including 6 senior technicians, 32 intermediate technicians and many skilled workers.
Due to timely delivery and outstanding cost control advantages, we have established long-term cooperative relations with Sany Heavy Industry, XCMG Group,Zoomlion, and etc. 
Products
Products
Material
Specification
Slewing bearing
50Mn、42CrMo
200mm~2000mm
Slewing drive
50Mn、QT450
7 inch~39 inch
 
Forging ring

50Mn、42CrMo、S48C、42CrMo4、35#、45#、Q345B、AISI4130、16MnCr5、18CrNiMo6
 
200mm~3500mm
Flange
35#、45#、Q345B
200mm~2000mm
Casting
HT200、HT250、QT450、QT500
2kg~1500kg
Gear
42CrMo、16MnCr5、GCr15
100mm~2000mm
 
Production Equipment
Production Equipment
Amount
3600 ton hydraulic press machine
1
5m CNC ring mill
1
Heat treatment furnace
28
Five axis machining center
1
CNC vertical lathe
55
CNC gear shaping machine
5
CNC gear milling machine
6
CNC gear hobbing machine
6
Raceway quenching machine
3
CNC drilling machine
4
Tooth surface quenching machine
3
 
Testing Equipment
Testing Equipment
Amount
Value
Three coordinate measuring machine
1
150000USD
Nondestructive depth detector
1
120000USD
Spectrometer
1
100000USD
Universal testing machine
1
100000USD
Magnetic defect detector
1
30000USD
Pendulum impact testing machine
1
20000USD
Ultrasonic flaw detector
1
3000USD
Metallurgical microscope
1
1500USD