Worry about what the customer wants, think what the customer thinks.

Customer information: preliminary reply within 2 hours;

Customer feedback: inform the preliminary processing results within 12 hours;

Customer suggestion: inform the final situation within 48 hours;

Customer complaints: friendly negotiation and joint efforts, if necessary, arrive at the customer site within 2 working days, issue a relevant feedback report within 5 working days, and negotiate the next improvement plan certification.

Designated customer communication window, 24 hours non-stop.