Dear Khun George,
For your information, the payment of Automatic Transfer Switch which HRB advance paid for Pathom Construction Co., Ltd.
Due to the qualification of ATS is specified to Generator Set of each Company and HRB made comparison for specification and price and submitted to Plan Architect to approved the specification so HRB purchased for Generator Set from O A Sales and Service Co., Ltd. For this company, he quoted the proposal for Generator Set included ATS amount 1,869,290 (including VAT)which ATS price is cheaper than BOQ from Pathom Construction. Thus HRB has to advance paid for this Purchasing to the supplier and billing to Pathom Construction for amount of ATS.