各位前辈帮帮忙 感激不尽

JiNG1994

我是来自taruc的学生 我想知道一些buildingmaterial (不包括labour cost, machinery cost)的rate,又向相关的supplier问,可是因为是学生他们不要给 请各位大大帮帮忙：1. 225mm half round sgw drain channel
2. 450mm half round sgw drain channel
3. 600mm half round sgw drain channel
4. 1200mm wide, 300mm deep precast concrete U-drain
5. 300mm wide, 300mm deep precast concrete V-drain
6. 75mm diameter PVC pipe as weephole 225mm long
7. 750mm diameter class Y precast concrete pipe culvert
8. 150mm diameter profile pipe
9. 1350mm x 1350mm G.I. grating
10 wrot timber formwork
11. diamond mesh galvanised chain link fencing 3.6m high
求求各位好心帮帮忙～～～