- Gold 100 Copper (H.K.) Limited
- Address:Room 2005, 20 / F
- Retac Asia Ltd.
- Address:Tinadalo St.
- WRENKY COMPANY
- Address:Rm. A1-02, 1 / F, Ph. 1, Hang Fung Industrial Bldg. , No. 2G Hok Yuen St. , Hunghom, Kowloon
- Step Brilliance Group Limited
- Address:A3, 12 / F. , Tontex Industrial Building, 4 Sheung Hei Street, San Po Kong, Kowloon,
- AZONUCA INTL
- Address:1 harbour view street
- Perini International Ltd
- Address:Suite 1102, Kornhill
- DC Metal Co., Ltd.
- Address:Unit 08,20/F, Tins Enterprises Center,777 Lai Chi Kok Road, Kowloon,
- Valiancy Ltd Co.
- Address:1 / F Ka Fuk Lane
- CHEONG TIN (INTERNATIONAL) TRADING COMPANY
- Address:Sha Tau Kok Road
- Enablers HK Co.
- Address:1 / F, BLOCK C, SUN FAI GARDEN, TSING CHUEN WAI, TUEN MUN, N. T. HK
- Tempire Tech Metal Trade Co. Ltd.
- Address:HK
- DBK
- Address:Sheung Wan
- SAMINA INTERNATIONAL TRADING CO LTD
- Address:G / F, No. 90B Tin Sum Chuen, Shatin, NT
- METAL & TOOL TRADE LTD.
- Address:PO. Box 12532
- Jays Limited
- Address:Rm 703, 555 Nathan Road
- Tai Shun Development Investment Limited
- Address:Castle Peak Road
- WAI LOI INTERNATIONAL LTD
- Address:G/F, No 7 Shun Fung Building,9 Fung Yau Street North, Yuen Long, N. T.
- PRECISE INTERNATIONAL (H.K.) LTD
- Address:Flat I, 6 / F, Blk 4, Golden Dragon Ind Ctr, 182 Tai Lin Pai Rd, Kwai Chung, N. T.
- MCM Construction Materials Co., Ltd.
- Address:Unitb, 1 / F, 1 Tai Kei Leng
- Junction International Enterprises
- Address:Rm1502, One Hysan Avenue,