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Sony Green Partner

At Yung Li, we are all eager to particpate in the worldwide effort to reduce the use of heavy metals. This is why we are commited to continually develop and apply a strict environmental management. As a result, Yung Li has successfully become a qualified Sony Green Partner.

Sony Co. requires all vendors such to meet the requirements of Sony Technical Standard SS-00259. Yung Li must ensure and guarantee that the banned substances contained in SS-00259 will not be included in the parts, components, and packaging which will be delivered to Sony.


Compliance to RoHS

Beyond customers' requirements, all Yung Li production follow the same internal management as determined by Sony standard SS-00259 in order to control environment-related substances in parts and materials used in all Yung Li products, thus complying to the requirements of the European RoHS Directive.

The RoHS Directive stands for "the restriction of the use of certain hazardous substances in electrical and electronic equipment". This Directive will ban the placing on the EU market of new electrical and electronic equipment containing more than agreed levels of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants from 1 July 2006.

The below table summaries the RoHS compliance specifications at Yung Li:


restricted substances RoHS (Directive EU2002/95/EC)
Sony SS-00259 (Ed.4)
Yung Li internal requirements
Cadmiun and its compounds Brass, xinc and its alloys <100 <5 <5
others <100 <5 <5
Lead and its compounds Cable PVC resinn, PVC core-wire rubber, pigment <1000 <100 <90
other metals and metal alloys <1000 <1000 <1000
steels and iron <3500 <3500 <3500
aluminium and its alloys <4000 <4000 <4000
Copper and its alloys <40000 <40000 <40000
Hexavalent chromium and its compounds <1000 <1000 <5
Mercury and its compounds <1000 <50 <5
Polybrominated Biphenyl <1000 <1000 <5
Polybromodphenyl ether (PBDE)
Polybromodphenyl Oxyde (PBDO)
olybrominated Biphenyl Ether (PBBE)
<1000 <1000 <5
packaging material Pb+Cd+Hg+Cr(VI) sum <100 <100 <100

note: mg/kg = ppm


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