To supply labour, materials and tools

a) Install two sets new Daikin inverter energy saving ceiling cassette type air conditioner with conceal part of the piping and relocate/shift the existing refrigerate copper pipe, pvc drainage pipe and system control wiring to above the ceiling

Model: RKS60 (22000 btu)

Location: living hall

Model: RKS50 (18000 btu)

Location: Dining area

b) Install one set new Daikin inverter energy saving multi spliet system 3 air conditioner system

Model: 4MKD 100

Location: Master RM, bedroom 1&2 (12000 btu x 3 fcu)

Item2)To conduct pressure testing on existing conceal refrigerate copper piping with nitrogen gas and high pressure meter and flush the conceal drainage discharge pipe with gas x 5set

sorry what's this? Is this an aircon company forum?

Haha.. i don't think you are going to get any response, you are better off taking out your yellowpages book and find aircon companies to call..