Production lines

Main products

WeiChai exclusive lines

mainly producing marine pistons in 170 mm and 160 mm bore

ZiChai exclusive lines

mainly producing marine pistons/Generator engine piston in 300 mm bore

YunNei exclusive lines

mainly producing diesel engine pistons of 490、 4102

YuChai exclusive lines

mainly producing diesel engine pistons of 1JG、 1RQ、1TQ

QuanChai exclusive lines

mainly producing diesel engine pistons of 90、 85

WeiChai exclusive lines

mainly producing marine pistons/Generator engine piston in 200 mm bore

Steel pistons, cast iron pistons exclusive lines

mainly producing steel pistons, cast iron pistons

Flexible aftermarket production lines

mainly producing diesel engine pistons and gasoline engine piston in 60 mm and 160 mm bore

Surface Treatment

half/full Tin plating, Phosphating, Anodizing on piston bowl/ring grooves, Graphite coating, Iron printing, ferric oxide coating.

Alfin Inspection

Ultrasonic inspection of bonding quality between Alfin Insert ring and base metal (100% checking)

Oil Gallery Detection

X-ray detection of oil gallery (100% inspection)

PIN holes Machining

Unconventional pin hole machining in constant temperature workshop

3D Simulation

3D Simulation and display