5 days and 4 boards: Ningbo Jingda.The first board: 3D Communication, Shensi Electronics, Worth Buying, Hongda New Materials, Oriental Seiko, Aofei Entertainment, Jinzitianzheng, Rongji Software and Join-Cheer Software.The first board: Huawei Technologies, Xinbo, Xiangyang Bearing.
Board 3: ASD.Board 3: ASD.4 days and 3 boards: Keli sensing.
10 days and 9 boards: Rishang Group.3 days and 2 boards: Xinshida, Shengli Precision and Fuda.4 days and 3 boards: Keli sensing.