Saibu Gas construction (installation of gas water heater, replacement of built-in stove, IH stove, range hood, gas oven range, air conditioner, FF water heater, toilet bowl, washbasin, single lever faucet, shower faucet, dishwasher, gas flexible pipe installation),Kitchen demolition, water supply, hot water supply, drainage connection work, back mortar and concrete repair work, water supply pump and well water pump replacement heat insulation work