Pre-Sale Service
● Professional pre-sale model/configuration selection advise and technical support -- offered by experienced technician.
 Free on-site installation, debugging and technical training -- offered by strictly trained technology application engineers.

After-Sale Service
 The warranty period is 24 months from commissioning acceptance date on. After the warranty period is over we provide lifelong maintenance and technical service.
 We guarantee the maintenance time no more than 3 working days and response time within 1 hour.
 We build instrument service profile for our clients to record the product service and maintenance conditions.
 After instruments start service, we will pay follow-ups to collect the service conditions.

Honest Team - TOP always honestly treat you and keep faith to make you satisfied with every cooperation with us.
Sincere Communication - TOP sincerely communicate with you to guarantee the provided instruments to be your ideal ones.
Reliable Quality - TOP instruments own high quality and high performance for every TOP instrument is under strict quality control and testing.
Service Commitment - TOP bring you prompt, considerate and professional after-sale service and technical support to guarantee your successful testing, and explore technology future together. ​