- Marvellous Research Ltd
- Air Purification.
- Address:
- AJ Global
- Air purification, MP3 and MP4 players,Flooring & Tiles,Air Purifier.
- Address:1511 Blk A Veristrong Industrial Centre 24-36 Au Pui Wan Street
- New Environmental International Ltd
- HVAC air purification, sterilization equipment, HVAC air purification services, obnoxious gases reduction equipment and services,Air Purifier,Air Treatment & Conditioning.
- Address:Room 2001 20/F., Mongkok Commercial Centre,16 Argyle's Street, Mongkok, Kowloon
- Premier Tactic
- Agent,Referral,air purification.
- Address:Room 618, Hollywood Plaza, 610 Nathan Road, Mongkok
- Wider Worldwide Enterprise Ltd.
- Air filter, Coffee filters, Air purification, Respirators.
- Address:Rm.1101,11/F.,Beautiful Group Tower 77 Connaught Road Central Hong Kong Hong Kong
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