Qingdao Shuangjunli Machinery Co., Ltd

light trap sheets are made of high quality plastic, reasonable double-wave shape make sure the shading perform

Increase the humidity Eliminates the static electricity Reduces the dust Using new material and professiona

High effiency and High airflow, low energy consumptiion, anti -corrosive and anti-rust, long serve life.

This fan adopts advance oper system, butterfly type, with two semicircle shutter doors, wind resistance is sma

left/right left/right pulley accessory is made of rigidity hard-drawn wire. Make sure that the Air inlet keep

High effiency, High airflow , low energy consumption, anti-corrosive and anti-rust, long seren life, best choi