30 ° Elbow – Handmade
30 ° Elbow – Handmade (Insulated)
15 ° Elbow – Stamped
15 ° Elbow – Stamped (Insulated)
15 ° Elbow – Handmade
15 ° Elbow – Handmade (Insulated)
Rectangular Elbow – Welded
Round Elbow – Welded
Rectangular Elbow (Insulated)

The insulation material can be chosen from Fibreglass, Rubber-plastic, or Rockwool.
Rectangular Elbow – Lock-form
Gooseneck Elbow

The gooseneck elbow is perfect for outdoor rainproof applications.
Offset Bend

The offset bend is customised.
Aluminium Foil Hose
Aluminium Foil Hose (Insulated)
Insulated Silent Duct

Use glass wool as insulation and sound-absorbing material. The inner tube is a 3*5 Diameter perforated plate with a hole ratio of 32.65%.
Straight TDC & TDF Flange Duct
TDC & TDF Flange Duct (Insulated)
Straight Welded Duct

Length can be customised. Material can be customised.
Straight Welded Duct (Insulated)

Length can be customised. Material can be customised. Size is customised. Insulation material can be chosen from Fibreglass, Rubber-plastic, and Rockwool.
Fire-rated Ducts
Flat Oval Spiral Duct

The size/shape is according to customer’s requirements.
Straight Spiral Duct

Standard lengths are 3/4/5 meters; Special lengths and plate thicknesses can be produced according to requirements. Material can be customised.
Straight Spiral Duct (Insulated)

Standard lengths are 3/4/5 meters; Special lengths can be made upon request. Material can be customised. The insulated spiral duct uses a double-layer casing with glass wool insulation. Insulation thickness is 15mm.