We have perfect service system, excellent staff, and good service attitude. We also offer customized solution based on our clients'needs and requirements

 

After-sales service

1, One Year Warranty and lifetime maintenance, all the non-artificial damaged parts for free in the warranty period (excluding consumables)

2, we responsible for the free installation and commissioning

3, long-term technical support. If technological innovation, we can provide users for technological transformation.    

4, efficient service, any problem of equipment, our company will respond within 4 hours after receive users’ feedback 


城中村勾搭老熟女啪啪,欧美国产激情二区三区,男女猛烈无遮挡免费视频,好爽快点伸进去视频在线观看