Guangzhou LongChuang Electronic Technology Co.,Ltd is a professional LED power supply manufacture which involves production, sales and R&D as well. Products are to replace the traditional transformers and have been widely used in LED light, The Lighting Project, LED digital tube, LED guardrail tube, LED illuminant, LED outside display, LED attaract models the character, full colorful character, telecommunication, instrumentation, security defense, engineering automation and so on. We have our ...