| Yong Chiang Piston Co., Ltd. |
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 | Manufacturer of pistons liner kits, valves for cars, tractors, agricultural machines, snowmobiles extends into North, Central & South America, Europe, Japan, New Zealand, Australia and Africa since 1989. Type of engine parts includes piston rings, liners, gaskets and engine valves, etc. |
| De Lion Co., Ltd. |
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 | Manufacturer of hydraulic seals, oil seals & oil rings for excavators, breaker parts, cylinder packing kits, bulldozers, folklifts, trucks and crane carriers exported worldwide. |
| Poli-Auto Group. |
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 | Manufacturer of car spare parts and piston ring of power, install, engine; engine gasket sets, engine gasket kits, valve seals, fuel pumps, cylinder liner sleeves, valve system, valve stem seal, etc. Acquired ISO9002 in 1998 and QS 9000 certification in 2002. |
| Chih Tai Y & S Co., Ltd. |
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 | Manufacturer of automotive tools, including hose & wire pliers, fluorescent lamps, LED lights, air inflator gauges, air tools, body repair tools supplied worldwide with payment term L/C or T/T. The custom-design/ OEM orders are welcome. |
| Sheng-E Enterprise Development Co.,Ltd |
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 | Founded in 1980, manufacturer specializes in producing pistons, cylinders, crank shafts, valve rocker arms, gaskets, transmissions, and oil seals. |
| Hassan Motor Corporation |
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 | Manufacturer of auto parts, including engine parts, suspension parts, air conditioning parts, auto body parts and electric parts. |
