- Ka Jade Development Ltd
- Address:Kowloon
- LUXOR IMP. & EXP. CO.
- Address:Rm. 25B, 12 / F Block B Focal Ind. Centre, 21 Man Lok St.
- Lau, Wing Hei Jaycee
- Address:
- labcreatedemerald
- Address:3 hok yuen street, hung hom
- HALLMARK GEMS
- Address:Unit L1, 7/F Kaiser Estate Phase 2, No 47-53, Man Yue Street, Hung Hom, Hong Kong
- GMS Commercial Group Co., Limited
- Address:Marble road 41-47, 905
- Lord Reign
- Address:363 hennesy road
- choi ho gems co.
- Address:Hung Hom
- Yu Kingstone Jewelry Factory
- Address:Room. 905, Workingberg Commercial Building, 41-47
- Rock & Gem Co. Ltd.
- Address:Rm 35,9/F, Block D, Wah Lok Industrial Ctr.,31-41 Shan Mei St.
- Yabskaya Limited
- Address:28 Queen's Road
- Yuet Ting Jewelry
- Address:B1 2 / F. , Cheung Kong Fty Bldg. , 5 Cheung Shun St, Lai Chi Kok
- Gems & Beads
- Address:
- charles lam
- Address:P. O. Box 92100, TST
- Four Seas Gems City Co. Ld
- Address:man lok st.
- Keung Hing Co.
- Address:wang hoi road
- Gensei Collection
- Address:Unit 1101, Wah Wai Industrial Building, Pak Tin Par Street
- SCENARIO GEMS
- Address:Room 908, Blk A, Focal Industrial Center, 21 Man Lok Street
- CLASSIC DIAMONDS
- Address:Tai On 1-3 2 A
- KOSMOS7
- Address: