ChangZhou Leadrun Piston Co.,Ltd

QSY ChangZhou Leadrun Piston Co.,Ltd is a designated

research institution of materials an
d manufacturing

technologies for railway locomotives and rolling stock in China.

It is a high-tech industria
lized base of products, like key parts

and components of diesel engine.

A specialized piston production base
designated by China

Railway Ministry since 1970.

Leadrun Piston Branchis responsible for 7FDL locomotive pi
ston

production Localization.

First Use salt bath soft nitrogen and induction quenching for

piston
ring  grooves hardening in China .

Our piston variety & capacity are as followed:

Machining Worksh
op covering 3500 m2

Factory covering 20,000 m2

Current capacity:20,000 pcs per year

Produce 12,000
pcs per year at present

Diesel engine pistons used in locomotives,marine

applications,generators

Pi
ston diammeter ranging from 160 mm to 400 mm

Single-part pistons:Aluminum castings with ring carrier

One-piec
e monobloc thin-wall cast iron pistons

Composite pistons:forged steel crown with forged aluminum

skirt/cast
iron skirt