Bubble Bag Machine,Dense Bag Cutting Machine,T-Shirt Bag Cutting Machine,Computer Automatic Bag Cutting Machine Dongguan Yuantong Technology Co., Ltd. , https://www.ytbagmachine.com _i-LjYd06 The emitted light of LED has two kinds of spontaneous emission and stimulated radiation. Although spontaneous emission is the main and stimulated radiation is supplemented, it should still comply with the standard EN60825 of laser products according to the standard.
TOBY-service: the fastest, the best price! There are countermeasures, modification ability! (One-time fee package passed!) 