C. The warranty period of our products is 3 years. D. Our products are provided with "three guarantees" service (return, replacement and repair are guaranteed for quality problems of our company). E. Our company has set up a complaint hotline: (Tel:+86 635-7766063)If you are not satisfied with our after-sales service personnel with the quality and complaint, our company will seriously deal with. Jinan Starma Intelligent Tech Co.,Ltd advantages Guarantee from DELLLASER STARMACNC DELLLASER and STARMACNC standard packing and shipping We worked with famous brand parts enterprise. Such as Delta,Yaskarwa,Schneider,Raycus,IPG... How to order DELLLASER laser cutting machine and laser welder and laser cleaning machine? Jinan Starma Intelligent Tech Co.,Ltd Products feedbackFully Enclosed Metal Cnc Laser Cutting Machine factory website:http://www.delllaser.com/