Ib txwm muab kev pabcuam zoo rau peb cov neeg siv khoom
Mloog cov neeg siv khoom / Tshawb xyuas cov kev xav tau ntawm cov neeg siv khoom / Daws cov teeb meem ntawm cov neeg siv khoom
Cov teeb meem kev siv tshuab thiab kev tsis txaus siab
In case of technical questions and If you need any technical support ,or have any questions regarding the faults for your laser machines purchased from Dowin Laser, please contact by Email: [email protected] provide us with the following information:
Peb pab neeg kev pabcuam yuav txhawb nqa koj tam sim ntawd.
Tsuas yog thaum muaj qhov chaw puas lawm, peb muaj qhov chaw rau txhua lub tshuab uas peb muag. Peb pab neeg txhawb nqa tuaj yeem nrhiav tau qhov chaw twg puas lawm thiab cov khoom qub yuav raug xa tawm dawb thaum lub sijhawm lav (Qee qhov chaw xws li Laser generator yuav tsum xa rov qab rau peb kom kho), yuav muaj kev tos me ntsis 3-5 hnub los ntawm kev xa khoom sai sai.
