DeLn Optics strictly obeys the environment protection law & regulation as regards all products manufacturing, effectively manager and control the raw materials & manufacturing process.

We confirm and guarantee that all of our optical components and crystal products including the other materials we used in manufacturing process are comply with the requirements of EU RoHS (Directive2002/95/EC)

Hexavalent chromium compounds<1000ppm

Lead and lead compounds <1000ppm

Cadmium and cadmium compounds <1000ppm

Polybrominated biphenyls (PBB) <1000ppm

Polybrominated diphenylethers (PBDE) <1000ppm

Mercury and mercury compounds <1000ppm