Equipped with modern product lines, advanced testing equipment, we always make efforts to increase investment, attract the best technical personnels, collect market information, improve technology, and build our own brand. By adopting the latest philosophy and practice in quality management, Klarheit has been audited to conform to the ISO9001: 2000 Quality Management Stadards. Klarheit HID Xenon lighting series have passed almost 20 strict tests like: luminance test, lumen attenuation test, working life test, water and dust-proof test, anti-shocking test, high and low temperature test, cold and warm start test, EMC test, high and low voltage test, ect. And by constantly imporving product quality and performance, we have now many product models certified with e-Mark (E4) and FCC certificates.