⊙ Cabinet / UPS / Hardware Maintenance
⊙ Antivirus / Firewall / Email
⊙ Web Design
⊙ web space rental
⊙ hardware sales
⊙ Hardware integration environment consulting service

⊙ petty cash
⊙ Abnormal information active tracking
⊙ Many-to-one invoicing
⊙ check writing
⊙ media report
⊙ Personnel salary
⊙ electronic storage
⊙ The general ledger system automatically cuts the subpoena