earthquake chengdu one-card 1 chengdu one card company is engaged in the installation and maintenance of yibang, one card, canteen sales, card swiping consumption, and attendance access control system. products include: rice sales machine, card swiping machine, attendance machine, access control machine, one-card, canteen card swiping machine, canteen check-in machine, canteen meal sales system, card swiping consumption system, attendance system, access control system, etc. use 30 people
