Bluetoffee plans to launch another English Guide book, which is a translation of Petch- Ek-Nopparatch Thai (Diamond Guide) in Thai.
Raja Thuraisingham is an editor for this guide book himself after gaining enough knowledge of diamonds and gemstones grading from Jirayoot, bluetoffee gems specialist.
Raja Thuraisingham is an editor for this guide book himself after gaining enough knowledge of diamonds and gemstones grading from Jirayoot, bluetoffee gems specialist.
ไม่มีความคิดเห็น:
แสดงความคิดเห็น