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Agile after-sales service Reduce the breakdown time Increase the machine's productivity.
1. A Machine breakdown occurs and RTU, Remote Terminal Unit, sends machine codes and error codes
    to the factory director's mobile phone.

2.The director assigns an engineer to shop floor. After checking and recording the situation,
    the engineer calls Cheng Hua for help.

3.Operators of Cheng Hua call center key in customer's machine codes and error codes to check
   the equipment status, and support their customers to fix the problems from remote site.