Founded in 1997, the group has 1000 + employees, of which 30% are R & D/sales personnel, headquartered in Shenzhen, with 22 subsidiaries and offices at home and abroad, the total number of service enterprises in the group is over 180,000. The B2B & O2O operation mode is adopted, relying on the mature service ability and

supplier resources of the foundation group, and supplemented by PCB supporting software, PCB board-making,