- Fong Ya Enterprise Co. Ltd.
- Address:88 Moo10 Thung Kwaikin Klang
- New prosperity Belting
- Address:56 / 18-19 Rattanatibate
- Royal Electronic Factory(Thailand) Co., Ltd.
- Address:
- Fong Ya Enterprise (Thailand) Co., Ltd.
- Address:88 Moo 10 Thung Kwai Kin
- ROYALOHM
- Address:20 / 1-2 Moo 2 Klong-Na, Muang
- A&D EVOLUTION COMPANY LIMITED
- Address:189/27 MOO 6 TAMBOL BANGKRACHAO
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