Shenzhen Ruilongyuan Electronics Co., Ltd. was founded in 2009 since its operations in 1996. We are a hi-tech Group specializing in the design, manufacture and sales of over-current and over-voltage circuit, lightning, power protection components and surge protection devices. Ruilon brand has been involved in the circuit protection industry for many years, growing from a single-product supplier to a cutting-edge company that offers a wide range of circuit protection components and solutions. Ruilon aims to meet your ever-changing demands. We has invested heavily in R&D, manufacturing facilities and engineering expertise to provide you with leading-edge circuit protection components and design and testing capabilities.

Ruilon?s well-established global sales distribution network helps to provide you with efficient technical support, solution consultation, fast and reliable sample delivery, prototype testing of our products and timely shipments. Ruilon sales distribution covers Asia, North and South America, Europe and Australia.

Ruilon products range includes MOV, TVS, GDT, SPD, PPTC, ESD, TSS, Diode, Triode. Through the combination of different solutions, we can meet personal circuit protection demand from our clients. From circuit design engineering to product testing including providing tests reports, we can provide one-stop service of circuit protection area.