Restriction of Hazardous Substances (RoHS / RoHS3.0)：

In response to global environmental changes and warming issues, the awareness of environmental protection has risen. Whether products contain “hazardous substances” will endanger the health and living environment of global species. In June 2015, EU countries announced that electronic products on the market must be banned from lead ( Pb), Mercury (Hg), Cadmium (Cd), Hexavalent Chromium (Cr6+), Polybrominated Diphenyl Ethers (PBDE), Polybrominated Biphenyls (PBB), Bis(2-ethylhexyl) phthalate (DEHP), Benzyl butyl phthalate (BBP), Dibutyl phthalate (DBP), and Diisobutyl phthalate (DIBP), which will be fully implemented on July 22, 2019. U.O.C. Laser-related products do not use the above-mentioned related substances to achieve the protection of environmental protection and the sustainable survival of global species.