Nantong Crellum Illumination Technology Co., Ltd. is a professional production LED ball steep light manufacturer in lighting industry. Company mainly focus on LED encapsulation technology.And the latest technology in LED light manufacturing ball bubble, efforts to creat a bubble of parity LED lamp is in the COB encapsulation technology leading domestic level . In every country in the 100lm watts listed on the COB module products , that LED to a ball bubble than traditional incandescent lamp energy more than 90% . More than 50% of the new energy-saving lamp.