Shenzhen Ruilongyuan Electronics Co., Ltd was founded in 1996, starting in the production and market operation of over-voltage and over-current protective components. Private brand was established in 2009, when the company was positioned to the field of over-voltage and over-current protection, and driven by development, design, production, manufacture and market promotion of full series of over-voltage and over-current protective components and related products. With head office in Shenzhen downtown and factory in Bantiao, Shenzhen, the company has offices and branches established in many cities, including Shanghai, Wuhan, Hong Kong, Taiwan, New Delhi of India, just to name a few.