Tylenol Electronic Technology Co., Ltd. Hangzhou is a professional R & D and sales of solar auto darkening welding helmet,auto darkening welding filter,welding mask and welding ordinary headset series of personal safety goggles and other protective equipment electronic optical products business, our factory more an experienced professional engineers and dozens of workers.
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ˇˇˇˇIndependently developed by the co***ny's latest LCD and optical technology to automatically filter welding helmet is a new gen...
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