Shenzhen Oulei Ke Electronic Technology Co., Ltd. is located in the forefront of science and technology in Shenzhen, China, is a professional matter lightning electromagnetic pulse (LEMP) Overvoltage protection technology theory and mine product development, production and sales of high-tech anti- Ray enterprise. The company produces, sells surge protector (SPD, surge protectors) power mine, lightning protection box, signal mine, mine-fed for days, lightning and other mine products, products widely used in telecommunications , medical, aerospace, security, finance, securities, transportation, petrochemical, photovoltaic solar energy, wind and weather, and other fields.