Aim at the directive of the European Parliament and of the council of RoHS(On the restriction of the use of certain hazardous substances in electrical and electronic equipment), Stonesonic has carried out its idea to wholly quality system. Except that require suppliers to satisfy RoHSdirective requirement, Stonesonic had also made wholly changes into factory’s inner equipments. Meanwhile, specially aim at the RoHS directive hazardous substance of Pb, Hg, Cd, Cr, PBBs, and PBDEs, purchases Phot-Detectors to make detection to them one by one so that shipment quality can satisfy directive’s requirement.

Respond to customers’ requirement, we will make mass production according to RoHS directive after July 1st,2006.