重口老太大和小伙乱,人妻去按摩店被黑人按中出 ,亚洲中文字幕无码专区,久久精品国产精品亚洲

Location:Home  >  Application  >  Laser Marking  >  Metal Material Laser Marking
Sprayed alumina sign laser marking white color character
Detailed Description
Since the laser marking machine is a marking (engraving, engraving) device that does not require consumables, the color of the marking on the object is generally based on the material of the marked workpiece, the type of machine used, and the adjustment Depends on the parameters, but a few materials can be black, white, gold, brown or gray.
Recommended Models

Online

Online

Tel

Manager Wen: 18902563402

QQ

QQ/p>

Wechat

Scan and follow
Fulan Public Account

Back
Top