Hongjin Equipment Service: If you face any problems in future during testing process we promise we will give you a reply within 48 hours and solution provide within 3 working days. We can offer operation video and English operation muanual. We can provide video-con. Service: 1.Device installation; 2.Equipment Operation Test Technology training; 3.Equipment Calibration; 4.Daily maintenance and maintenance of equipment 5 Free technical training for visiting factories 6 24-hour Online contact 7 Free software upgrades Free information: 1.Product Instruction; 2.Product operation instruction/video; 3.Experiment Test (test application, test report) Device Problem Handling: 1. Social media 24 hours online communication;2. Mail Seamless Docking;3. Video Conferencing