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

1. The beam quality is good, close to the diffraction limit, so that more precise marking can be achieved;

2. Using optical fiber output, equipped with high-speed digital scanning head, marking speed is 2-3 times that of traditional models;

3. The electro-optic conversion rate is as high as 30%, and the power consumption is about 10% of traditional models;

4. Air cooling is adopted, and the whole machine is compact;

5. No consumables, maintenance-free, and long service life.

Mainly used for marking metal materials and some non-metallic materials with relatively high ignition points and harder materials, such as: electronic components, hardware tools, electronic products, daily consumer goods, sensors, auto parts, crafts, precision instruments, gift accessories , High and low voltage electrical appliances, sanitary ware, etc.