Dear K Wong Wat
No problem for the partner ,Normally i have company partner at Huahin and BKk
Our partner will order the solar panel and all fitting parts from us ,We can provide that and can sent engineer to teah the team if they want
Or sent our team to install the system ,But i ll say if need our team the price a little bit to high because i need to charge when team out of Phuket thailand
For the area 100SQM ,You can install 50 Pcs of solar panel and i recommend the size of power for solar panel is 250W/Panel
Total power can gernerate 12.5 KW/Hr not include power loss
Afew question for the quotation
A) What type of main electric ,Single or three phase
B) Can you sent me sample for the roof ,That i can see type of roof
C) Where the Local are for install ( If you need our team )
D) The inverter ,What brand that you need ,We have cheap one from China and expensive one from Europe