The company has a special after-sales service department responsible for service and maintenance; Maintenance engineers are trained professionals;

The maintenance line phone is on 24 hours, the response is made within 2 hours after receiving the user's fault notification, the need to arrive at the user's scene, within 8 hours within the jurisdiction of Yantai City, 24 hours within Shandong Province, 48 hours within the country; The warranty period shall be agreed upon by both parties.

The company has a special training laboratory for users, fully equipped, complete functions, and has a special internal training materials; Before the installation of the instrument, the company provides 2-3 operators to the company for free training, a week of training.

The company is responsible for the user personnel during installation and commissioning operation, calibration, maintenance, common fault handling and other common sense training, education package meeting, to achieve the user personnel can use the instrument independently.