Piaggio &C.s.p.a
The famous motorcycle manufacture in Itlay

SDG USA MOTOR　INC　　　
The mini bike & sport motorcycle company in USA

A&I industry company (TAI WAN enterprise)
，The wheelchair manufactory. The most major wheelchair exporter in the world

TianRen bicycle company(TAI WAN enterprise)
，The bicycle manufactory. The most major bicycle exporter in the world.

Chairworks company (TAI WAN enterprise):
，The chair manufactory. All their products are exported to America, Europe, Janpan .

KOKUYO company (Japan)
，The most major office furniture retailers in Japan.