Portable handheld marking machine for Gas Cylinder, gas tank Luyue Portable Handheld Marking Machine for gas cylinder has 2 kinds of marking tools for choose. One is the circular ring another one is 4 pcs of small magnets. They can make the machine fix on the gas cylinder tightly, make the marking work become easier, even women workers can operate the machine easily.The performance is extremely consistent and not easy to imitate.
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