RoHS is a compulsory standards set by the European legislation. The full name is “Restriction of Hazardous Substances.This standard has been
                   formally implemented on July 1, 2006, it is mainly used for electrical product specification material and craft standard, make it more conducive
                   to human health and environmental protection. The purpose of this standard is to eliminate electrical electronic products in the lead, mercury,
                   cadmium, hexavalent chromium, polybrominated biphenyls (PCBS) and polybrominated diphenyl ether (note: PBDE correct Chinese name refers to pbdes,
                   polybrominated diphenyl ether is wrong) total of six substances, and specifies the amount of lead should not exceed 0.1%.



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