- Kosoku Office Supplies Ltd.
- Address:Unit C, 9 / F, Kai Centre, 36 Hung To Road, Kwun Tong, Kowloon, HK
- Upgrade Business Form Manufactory
- Address:Unit C1-c2,2/F Wing Hing Ind. Bldg,4 Hing Yip Street, Kwun Tong, Kowloon, Hong Kong
- SKYCHAIN
- Address:ST
- Tao Hua
- Address:No. 403 Liyi Road
- B&K International Corporation Limited
- Address:
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