As a mold of semiconductor material photolithography process, the mask may be damaged or stained due to too long time or improper use in the actual usage. It needs to be cleaned, re-inspected, re-mounted optical film, or defects repaired. We can trace the information of all the masks from our plant. If there is any abnormality in the process of usage, we can quickly identify and provide perfect solutions to protect the production needs of our customers. Our after-sales service can cover ASML, NIKON, CANNON, and other mainstream lithography machine types.