- Sino Tube Corp
- Address:1702, Hing Fat street, Causeway Bay, Country/Region: Hong Kong Zip:999077
- Huahong Copper Industry
- Address:ROOM 3, 21 / F; EAR EAST CONSORTIUM BUILDING, 121 DES VOEUX ROAD CENTRAL, HK Country/Region: Hong Kong Zip:999077
- copper international business
- Address:jiulong Country/Region: Hong Kong Zip:999077
1