1. Smart disk system (full name: "Smart disk-self-selected restaurant quick settlement system") is a restaurant settlement system integrated with RFID radio frequency technology, which mainly provides self-selected quick settlement services for school canteens, restaurants in enterprises and institutions, fast food chain stores, etc. By implanting radio frequency chips at the bottom of dinner plates, quick settlement can be realized. Compared with traditional settlement methods, smart disk system has the advantages of high speed, accurate accounting, good experience and no one.

2. SINO electronic canteen selling system Zhengzhou SINO Electronics Co., Ltd. is a company dedicated to the development, production and sales of IC smart card "one card" radio frequency system and intelligent water-saving and power-saving products. Canteen vending machine, vending machine, restaurant card reader, Zhengzhou vending machine, unit canteen card reader, food city card reader, food city card reader, school restaurant card reader, food city consumer machine, water saving management, access control management, attendance management, savings consumption, patrol system, member management, drinking water charge, laundry charge, air conditioning charge and other application systems, and in the peer.

3. Tiger Xinyuan Rice Selling System Beijing Tiger Xinyuan Science and Trade Center is a professional manufacturer of smart card equipment. The company is committed to developing national key scientific and technological projects, mainly engaged in the development, production, product promotion and related technology and information consulting services of intelligent

(including rice selling system, access control system and attendance system). See: /shoufanji-11.asp

The above three are relatively large electronic companies, and their products are widely used. The hardware configuration can be viewed in official website, and some have not announced the hardware situation.