1. after-sales service:
in line with the principle of "integrity and dedication, satisfied users", the principle of customer service!
2. after-sales service commitment
promise to maintain the equipment free of charge during the warranty period. equipment for life maintenance.
1. the machine is guaranteed for 1 year, and the response time is no more than 8 hours.
2. the supporting equipment is guaranteed for 1 year, and the response time shall not exceed 8 hours
3. the equipment shall provide the immediate maintenance service for the whole life, and the response time shall not exceed 8 hours.
4. provide 24-hour technical hotline service.
5. general failure within 2 hours
6. repair within 12 hours of major failure
7. provision of spare parts for immediate service, usually within 1-7 days of delivery.
3. maintenance, maintenance and maintenance
the non-tri-positive nitrogen equipment can be modified, repaired, maintained, and retested and operated.
4. contact information of after-sales service
after-sales service manager：15952489098 manager zhang
13921224758 manager zhao