Hangzhou Threenew Machinery & Electronic Co.,Ltd.

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1. Auto darkening welding filters

Our auto-darkening filters can change automatically from a light state to a dark state when an arc is stuck within a very very small fraction of a second, and it returns to the light state when welding stops. With fixed shade or adjustable shade ...

2. auto dark welding helmets

- Full face & neck protection
- Adjustable headband
- Super Light & comfortable
- Shade ajustable, auto darken
- Fit different filters
- Flame resitant ABS & much more

Our auto-darkening welding helmets are designed to protect

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