Dear Khun Natthapol
As per our conversation via phone yesterday about RTC requested MTH for supervisor charging refrigerant R134a to unit.
I have submit the quotation of supervisor&support fee for Refrigerant R134a charging work for your consideration.
Please see details in attached file.
Please note :
1. RTC must prepare the Refrigerant R134a cylinder , Charging hose , Cylinder charging adapter and the necessary hand tools etc.
2. Please be inform that our team have available time in period 10-14 of this October(next week) for this job
If you require any clarifications or additional information, Please feel free to contact me.