Background: This is the specially piecework which is urgent and small amounts of work that cannot compare by the ordinary process. The nature of work is similar to Singburi plants but Rathchaburi plants include the prices of work equipment. This work required the contractors to run the task and learn continuously. The work met standard as required but still under control and evaluate by Procurement & Production Affairs. In term of quality and cost, the Production Affair had already checked and accepted. (The cost does not differ from Singburi) Vendor: Boonto Engineering Period: Oct-Dec. 2015 Amounts 1,775,000.00 Thb. Note : This PO is used to cover the rapidly increase demand of Panel.