KLEAN -- Electrostatic Air Filter Manufacturer Since 1992       

Formerly known as Blue Sky during 1992-2002, nowadays a National High Tech Enterprise recognized by the Ministry Of Science and Technology, KLEAN has over a quarter century Of experience in designing and manufacturing electrostatic precipitator ESP'S for controlling exhaust emissions.

 In the past 30 years, KLEAN has progressive introduced into the markets electrostatic air cleaners for commercial kitchen, oil mist collector for industrial processes,smoke and dust filters for road tunnels,etc, all of which are independently designed with proprietary patents.

As of October, 2023, KLEAN has been granted 188 patents. Also, our best-selling electrostatic air cleaners have been CE and UL listed, and our production is IS09001, ISO14001 and OHSAS18001 certified.

Our expertise in electrostatic air cleaning solutions has been constantly relied upon and consulted by experts in this field. We have also chaired or actively involved in the preparation of municipal, provincial and national regulations and standards.

Aiming to lead the world in air cleaning solutions, we always look forward to new challenges to create a greener future with "KLEANer" technology.