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• Is it safe to use lasers for hair growth in headgear?

  by hum phry May 20, 2022

  At present, laser hair growth safety helmets are increasingly used by lock doctors and hair loss patients. hair growth， Are laser hair regrowth headwear useful and safe?   First, laser headgear products will be FDA-approved. (FDA certification: Its responsibility is to ensure that food, cosme...
• How to locate a laser marking device?

  by hum phry May 19, 2022

  Laser light marking is traditionally used in all parts of society due to the several benefits including permanence, corrosion amount of resistance, use amount of resistance, protection, and enviromentally friendly protection.laser marking machine ， So, for someone who has never touched a laserlight ...
• What is the principle of the touch screen of a cell phone?

  by hum phry September 9, 2021

  The digital era, cell phones are updated faster and faster, it is absolutely necessary to understand the knowledge of cell phone touch screen before buying a smart touch screen cell phone, here are two kinds of cell phone touch screen principle, so that you can do when you buy, to avoid being cheate...