- Portland Steel Ltd
- Address:Room B, 4th Floor, Unionway Commercial Centre, 283 Queen's Road Central
- Shenzhen Xinkai Precision Ceramic Co,. Ltd
- Address:5F, Bld 5, Bolun Industrial district, ZhuGuang Road, Xili, Nanshan ,Shenzhen, China
- Xuhe Trading Company
- Address:Rm A, 20 / F. , 251 Reclamation Street
- TRANS ASIA TRADING COMPANY
- Address:Rm D, 3 / F, 180 Nam Cheong Street, Sham Shui Po, Kln
- L.V LEVEL CO.,LIMITED
- Address:Fourseas Building 508-512 Nathan Road Kowloon
1