Beijing relay test Co., Ltd. was founded in 2015, located in China. It is a large production line, R&D, production and sales team. Our company adheres to quality, innovation, integrity, win-win business philosophy. After rapid development, we now have four production bases in Zhongshan, covering an area of ​​150, 000 square meters. M. At present, we have set up branches all over the world market, your products are exported to Europe, America, Asia, etc. Our products: relay test