Zhengyuan Zhihui Goup. 

Zhejiang Zhengyuan Zhihui Technology Co.,Ltd., together with its subsidiaries, engages in system construction, operation and maintenance services, and intelligent management and control of smart card-related businesses to colleges, schools, and military and police, and enterprises in China. It offers card code face integrated consumer machines and multimedia consumer machines; IC card readers and smart QR code readers; and wireless door locks. It provides smart access control card readers; face access control recognition terminals; intelligent weighing tables, meal preparation tables, AI dish recognition checkout counters, multimedia smart checkout desks, dual-screen machines, handheld cash registers; inspection machines and wisdom morning inspection instruments; IC card readers and smart QR code readers, communication and water controllers; wing and pendulum speed gates. Additionally, it provides after-sales services. The company was founded in 1994 and is based in Hangzhou, China.