Dear Khun Pui,
The images as well as the costs for each of the items were listed in the Line Chat. My apologies since I don’t have that anymore since I had to reboot my phone and since I am not in the group chat anymore. We have purchased these items without a quotation while we were in Chiang Mai last month and Khun Aaron did not have the necessary cash flow for it. In addition we had also sent images and prices of the door locks, but were not yet able to purchase them since we have not yet installed the trial piece.
I have copied Khun Pongstorn into this email for verification. If you need anything further, please let me know and we are happy to help.
Best regards, Mendes