Build a modern house with steel boxes, Ep.1, economical budget, size 36 sq m [Wiwat]

It is a house building on a budget using galvanized steel that is rust-proof, but if it is indoors, there will be very little chance of rusting, so it is durable. The material price is not expensive. From the materials used, everyone can modify or modify it to suit the needs of each person.
Wiwat 0935262645, Nakhon Phanom Province