Dong-yang Hoist Crane has been making Geared motors for Hoist for fifteen years. In 2006 we established incorporation. And we are making all kinds of the electric wire rope hoists.

Specially they have soft stopping and less noisy. And they are strong, light and easy to change the parts.

The customers like our products who wants less noisy than another motors.

If you use our Geared Motors, you will not be disappointed with our products.

Characteristics of Air Handling Unit

• Optimized compact modular conditioning equipment
• The aluminum frame is assembled into the NYLON-6's connection mold shape
• The special panel fastening lock system is applied to the double skin casing
• High performance/high efficiency air blower is selected
• High efficiency air conditioning/heating coil is used
• Special standard models(air volume) are applied
• Special customer needs can be applied to model s other than the standard model
• Non damage for field assembly structure allows convenient transfer and installation

Product Usage

Combination splitters with different width enased by rectangular
galvanized steel sheet in general.
Few slits arrangement on the sound absorption material in the
air-flow direction.

Product Features

A few slits on the splitter
Combination type with differenet width of splitters.
High sound absorption effect at the low and middle frequencies
due to increase of sound absorption area.
High sound absorption effect at the low and middle frequencies
due to helmholtz effect induced by slits on the splitter.
Optimum design by appropriate arrangement of slit volume and
quantity as per resonance frequency.
High sound absorption at the overall frequencies compared with
general sound attunator.