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rohs certification
Specified in Annex II of the Directive are 6 substances, which include lead (Pb), mercury (Hg), cadmium (Cd), Hexavalent chromium Cr(VI), polybrominated biphenyls (PB, and polybrominated diphenyl ethers (PBDE).

https://iasiso-asia.com/rohs-c....ertification-in-hong