K-COB adheres to the highest production, qualification, safety and performance standards. KCOB is an ISO 9001certified manufacturer.All of our products are with CE approval and RoHS complianceOver 90% of the products are exported to Europe, North America, Asia and other areas. High Mast Led Light Price, Citizen Cob , Led Cob 500w , Train Station Lighting ,Road Tunnel Lighting . Since 2013, our COB led chip solutions have been used by commercial lightings, universities and marine. We works with goverment,sport association &contractor to develop and apply new technologies from concept to finished product. As a result, KCOB offers some of the most advanced and efficient lighting systems available. The product will supply to all over the world, such as Europe, America, Australia,America, Sacramento,Uruguay, Moscow.With ongoing research and development and a culture of continuous improvement,K-COB is committed to developing innovative new high power cob led products and solutions that are reliable, long-lasting, and energy efficient.