1, Frame: frames are made of galvanized board, thickness 1.0mm, galvanizing layer 180g/square meter.(275g galvanzied are

alternative.Stainless steel or the aluminum galvanized are also alternative)

2, Blade: 6 pieces, material 430/201 stainless steel, mirror face.1.2MM thickness.(aluminum alloy blade are alternative)

3, Impeller, casting aluminum alloy impeller and aluminum alloy.

4, Bearing of impeller :permanently sealed bearing.

5, Venture: galvanized board, thickness 1.0mm.

6, Inlet wind protecting net: spraying paint steel wire, thickness 2.5mm.

7, Electrical motor: aluminum alloy frame or iron cast frame motor, 380V/220V, 1.1KW/0.75KW(1.5HP/1HP), 50HZ/60HZ, 3PH/Single Phase,

4-pole speed, 1410r/m, IP54, class F, efficiency 90%, top/foot mounted,

8, Motor bearing, :national grade.

9, Belt: B type (Made-in-China and Japan brand Mitsuboshi).

10, Shutters, galvanized board, 0.8 mm thickness while the middle piece thickness 1.0mm. Galvanizing layer ,150g/square meter,thicken.

11, Opening system, nylon material, brown color and black color.

12, Rivets: aluminum alloy and stainless steel rivets.

13, Cable: 1 meter long, strong robber wire.

14, Warranty : 1 year