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WEC Air Filtration Limited (WAF) is a Worldwide Envision Centre (WEC) subsidiary. Being part of WEC, the property management total solutions provider, WAF is dedicated to enhancing indoor air quality in modern cities. By gathering the latest technology and industry experience, we provide solutions to enhance the efficiency and effectiveness of air handling units.  

Nowadays, the general public has a big concern about environmental hygiene. At the critical moment of epidemic, WAF introduces C-POLAR air filtration technology, a revolutionary invention that utilises a natural and biodegradable polymer with positive polarity to arrest and destroy bacteria and viruses effectively.  By applying this patented technology to the air filtration system, we can effectively prohibit bacteria and virus from entering indoor space and ventilation air stream, tremendously enhancing the overall indoor air quality.  

WAF is the sole distributor of C-POLAR air filtration technology in Hong Kong. We aim to deploy this latest invention to all indoor ventilation systems and bring cleaner air to the city.

WAF has been deployed C-POLAR in the following buildings and organizations:


  • 1 Duddell Street

  • 100 QCR

  • Agricultural Bank of China Tower

  • Bank of America Tower

  • CCB Tower

  • China Minmetals Tower

  • COSCO Tower

  • Everbright Centre

  • Goldin Financial Global Centre

  • Harbourfront Tower I & II

  • International Commerce Centre (ICC)

  • Lippo Sun Plaza

  • New Town Plaza

  • One Harbourfront

  • Shanghai Commercial Bank Tower

  • Unique Beauty Group

Implementation has been scheduled in the following buildings and organizations:

  • 41 Heung Yip Road

  • AIA Kowloon Tower – Landmark East

  • AXA Tower – Landmark East

  • Capital Tower

  • Chevalier House

  • Harbourside HQ

  • Infinitus Plaza

  • International Trade Tower

  • Kinwick Centre

  • Kwun Tong View

  • LHT Tower

  • Lu Plaza

  • Nathan Commercial Building

  • Nine Queen’s Road Central

  • Standard Chartered Bank

  • The Cube

  • The Octagon

  • Tower 535

  • Vertical Sq.

  • Wing On Plaza

  • Winway Building

  • Yuen Long Plaza

  • 4200 KMB Buses

  • Hong Kong Land Portfolio

A field test of C-POLAR air filter performance has been carried out in the following buildings:

  • 1 Duddell Street

  • International Commerce Centre (ICC)

  • K11 Musea