... /5W/7W/9W 1. Area lighting, chip on board 2.Enerny saving 3.Longer lifespan 4.CE, ... RoHS approved What is COB?Chip-on-Board, or COB, refers to the semiconductor assembly ... die is directly mounted on and electrically interconnected to its final circuit board, instead of undergoing traditional ... port: SHANGHAI 5. Discounts are offered based on large order quantities6. MOQ:10pcOur Serviece:1. Your ...