Founded in the year of 2006, Ningbo Donglong Optoelectronics is a professional manufacturer of LED lighting products and Car lights, including HID and LED lights. Donglong employs a high-quality team and uses more than 50 sets of world-class equipment. Our company is certified by TS16949 and ISO9001 systems. Products also have got E-mark and CE, RoHS and SGS certifications. Donglong Optoelectronics is focusing on the manufacture of LED lighting products, and has own partner factory, ...   |