OEM market
ZiChai 250 iron piston
ZiChai 210 iron piston
ZiChai 300 piston
WeiChai 170 piston
Aftermarket
Diesel engine piston
Copper and oilgallery piston
Gasoline engine piston
Steel pistons
Casting Machines
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Refines Exhausters
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Shanghai Zhengying Industrial Furnaces
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Squeeze Casting Machines
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Production lines |
Main products |
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WeiChai exclusive lines |
mainly producing marine pistons in 170 mm and 160 mm bore |
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ZiChai exclusive lines |
mainly producing marine pistons/Generator engine piston in 300 mm bore |
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YunNei exclusive lines |
mainly producing diesel engine pistons of 490、 4102 |
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YuChai exclusive lines |
mainly producing diesel engine pistons of 1JG、 1RQ、1TQ |
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QuanChai exclusive lines |
mainly producing diesel engine pistons of 90、 85 |
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WeiChai exclusive lines |
mainly producing marine pistons/Generator engine piston in 200 mm bore |
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Steel pistons, cast iron pistons exclusive lines |
mainly producing steel pistons, cast iron pistons |
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Flexible aftermarket production lines |
mainly producing diesel engine pistons and gasoline engine piston in 60 mm and 160 mm bore |
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Surface Treatment |
half/full Tin plating, Phosphating, Anodizing on piston bowl/ring grooves, Graphite coating, Iron printing, ferric oxide coating. |
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Alfin Inspection |
Ultrasonic inspection of bonding quality between Alfin Insert ring and base metal (100% checking) |
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Oil Gallery Detection |
X-ray detection of oil gallery (100% inspection) |
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PIN holes Machining |
Unconventional pin hole machining in constant temperature workshop |
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3D Simulation |
3D Simulation and display |
Piston Workshops
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Large Piston Machining Line
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Smaller Piston Machining Lines
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Shandong Guanyi Auto Parts CO.,LTD
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