Steel bar and prestressed machinery
Rock drilling machinery
Pneumatic tools
Railway line machinery
Municipal engineering and environmental sanitation machinery
Military engineering machinery
Tunneling machinery
Elevators and escalators
Other special construction machinery
Special parts for construction machinery
Sand casting
Die casting
Investment casting
Hot forging
Stamping
Welding
Punching
Bending
Laser cutting
Precision continuous stamping
Assembling
Surface treatment