亚洲一线二线三线AV无码,色一情一乱一伦一视频免费看,久久久久久国产精品免费免费,久久久久无码中

Customer Service Principles
You are here:Home >> Service >> Customer Service Principles...
Responsible for handling customer complaints, in accordance with 2485 customer service principles:

Interim measures will be taken within 24 hours, fundamental measures will be taken within 48 hours, and the shutdown will be complete within five days.
Maintain customer relationship through telephone communication, email, home visits, etc.