The portable optical fiber laser marking machine has high electro-optic conversionefficiency , adopts air-cooled cooling mode , small size , good output beam qualithigh reliability , ultra long operation life , energy saving , and can carve metal materialsand some non-metal materials It is mainly used in the fields with high requirementsfor depth , smoothness and finenessPortable optical fiber laser marking machine can make more space and install moreequipment or operators , so as to produce more products and increase more economic benefits . Secondly , the portable fiber laser marking machine is more conve -nient in handling , a person can move , and can be transported by air .