
Customer Service
Dedicated to good service, providing professional after-sales solutions


Technical Support
Online & Phone, providing fast pre-sales and after-sales support
Service videos assist customers with installation and debugging


After-sales Repair
Place an order and send back via WeChat Official Account platform,
Convenient repair, quick resolution


On-site Service
On-site service for key accounts, some production line customers
Provide on-site service
Customer Service
Global sales and service network, shortening the distance between us and our customers

Pre-sales
Contact: weidongxia@sevenstar.com.cn
Professional account manager and One-to-one service
After-sales
Technical Support Phone:010-56178022/23/25
Professional technicians troubleshoot problems remotely
Pre-Sales Service
Follow our official account on WeChat for product information
Add our WeChat mini program for product selection and gas factor conversion
More about video training and self-repair request
(Submit your repair request via WeChat, send it back within 3-5 days and follow our progress through 010-56178026)
