Dear Khun
Please send document for register new contact with SAKAE FA-engineering (Thailand) Co.,Ltd. details as below;
1. PP20
2. Company Certificate (หนังสือรับรองบริษัท)
3. Billing note system (if you have )
And I enclosed the document of SAKAE FA-engineering (Thailand) Co.,Ltd with this mail
Please kindly to find an attached file.