I. Material:Aluminium Alloy / Zinc Steel /Cold-rolled Steel...
II.Surface Finish:Anodized or Powder Coated White,Colour RAL9010,9016,9002 Other Colours on Request
III.Features:
a).Surface smoothness and easy cleanning
b).High precision,rigidity and consistency
c).Strong weather proof,corrupt proof and some chemical proof.
d).Easy to install and disconnect
e).Suitable to match ceiling
IV.Standard Sizes(mm):
Inner   size :  ¦µ80,    ¦µ100,   ¦µ100,  ¦µ100 , ¦µ115, ¦µ120, ¦µ150,  ¦µ160,  ¦µ 200, ¦µ250, ¦µ300
Outlet size: ¦µ130,    ¦µ140,   ¦µ150,   ¦µ165, ¦µ165, ¦µ165, ¦µ200,  ¦µ210,   ¦µ250,  ¦µ300, ¦µ350
Other sizes are available.