- Materail Expertise Co.,Ltd.
- Address:22 / 13 Moo 3 T. Bangkrasor
- Chin Ta Electronics co.ltd
- Address:pechkasem
- PRIMUS Co.,Ltd.
- Address:119 Soi Srimuang-Anusorn Sutthisarnvinijchai Rd,
- POWOS GROUP, INC.
- Address:44, Ramhkamhaeng, Ramhkamhaeng Rd. ,
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