what is the use of crypto currency Block

4 days and 3 boards: Royal Bank shares.5 days and 4 boards: overpass lifting.The first board: 3D Communication, Shensi Electronics, Worth Buying, Hongda New Materials, Oriental Seiko, Aofei Entertainment, Jinzitianzheng, Rongji Software and Join-Cheer Software.

Board 11: Yiming Food.The first board: 3D Communication, Shensi Electronics, Worth Buying, Hongda New Materials, Oriental Seiko, Aofei Entertainment, Jinzitianzheng, Rongji Software and Join-Cheer Software.Board 3: ASD.

Board 11: Yiming Food.7 days and 5 boards: Fenda Technology.4 boards: Jincai Internet, Tianyu Mathematics, Huayang Lianzhong, Hanwang Technology.