Shenzhen CSE technology Co.,Ltd is a company specialize in designing , manufacturing CCTV power supplies and POE switches and focus to be a leading supplier.As an innovative and reliable manufacturer,we take “nothing more important than quality ”as our poilcy.We do 3 times testing and 12-hour aging test before delivery for every unit product .Based on the strength of R&D,we will consistently provide you with high-quality products at competitive price and satisfactory after-sale service.