Which company developed it and so on?

Etc was developed by Jinyi Technology Co., Ltd. Through independent research and development, production and sales of ETC-related products, the sales revenue of expressway ETC equipment accounted for more than 95% of the total revenue. Jinyi Technology was established in 15, and it is one of the earliest enterprises to enter the ETC industry in China. Its advantages include technological advantages formed by independent innovation of R&D, strict quality control system, professional product manufacturing capability, cooperation advantages of Industry-University-Research, service advantages and rich project experience. The ETC equipment of expressways shall be subject to the product qualification access system. Only after the products of enterprises have passed the inspection by the Traffic Engineering Supervision and Testing Center of the Ministry of Transport authorized by the Ministry of Transport can they participate in the bidding for ETC construction of expressways in various provinces and cities.