... & Offices Commercial Purposes3. Schools, Colleges, Universities, Hospitals4. Places where energy saving and high color rendering index lightings required. Packing ... high quality LED light source are adopted, luminous efficency can exceed 100w/lm.3. Prompt Delivery : normally 7 working ... management certificate, CE & Hohs qualifie. Q & A:1. Can I negotiate the price?Of course,The market has not been ...