- Unisorb
  - Kestner
  - Airgenic
  - American UV
  - MK Plastics
  - Dantherm / Calorex
  - Seibu Giken DST
   
   
KESTNER PARTIAL JOB LIST

Siu Ho Wan STP - Screen House
Siu Ho Wan STP - Dewatering House

Ha Tsuen STP
Sai Wan Ho

Fanling Lot 195
Baptist University

World Trade Centre, Beijing
Cyberport R.C.P.