- Navayos Wattana Co., Ltd.
- Address:
- PP.Business Intelligent Marketing
- Address:pechkasam Road
- Jeo Thai Carbon Co.,Ltd
- Address:99 Moo 3 Thasom, Khaosaming, Trat 23150 Thailand
- Hast Industry Co., Ltd.
- Address:
- Encom Asia company
- Address:
- PJ Minerals and Metals
- Address:H.C. Andersens Boulevard 12
1