| Yong Chiang Piston Co., Ltd. |
 | 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. |
 | Manufacturer of hydraulic seals, oil seals & oil rings for excavators, breaker parts, cylinder packing kits, bulldozers, folklifts, trucks and crane carriers exported worldwide. |
| Tai Ho Machine Factory Co. Ltd. |
 | Manufacturer of diesel engine spare parts, machine parts and casting iron exported to U.S.A., England, German, Holland, Japan and Korea since 1965. The customers' designs and OEM/ODM orders are welcome. |
| Cheng Shing Piston Co., Ltd. |
 | Manufacturer of vehicle parts & accessories for pistons of combustion engine. |
| Poli-Auto Group. |
 | 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. |
| Hassan Motor Corporation |
 | Manufacturer of auto parts, including engine parts, suspension parts, air conditioning parts, auto body parts and electric parts. |
| Tgi-Teamwork Industrial Co., Ltd. |
 | Manufacturer and exporter of auto engine parts since 1995 and serves a wide range of products, including engine gaskets, brake parts, oil seal, o-rings, poistons, cylinder liners, valve stem seals, and filters for heavy commericial vehicles, tractors, and stationary diesel engines, etc. The major markets are Europe, Latin America, and the Middle East & Southeast Asia. |