1, Smart Disk System (full name "Smart Disk-Fast Settlement System for Self-selected Restaurants") is a set of restaurant settlement system integrating RFID radio frequency technology, which mainly provides fast settlement services for school canteens, restaurants in enterprises and institutions, fast food chains, etc. Fast settlement is achieved by implanting RF chips at the bottom of the dinner plate. Compared with the traditional settlement method, the intelligent disk system has the advantages of high speed, accurate accounting and good experience.

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

Beijing Taige Xinyuan Science and Trade Center is a professional manufacturer of smart card equipment. The company is committed to the development of national key science and technology projects, mainly engaged in intelligence.

Development, production, product promotion and related technical and information consulting services (including rice selling system, access control system and attendance system). See: /shoufanji-0 1.asp for product details.

The above three companies are relatively large electronic companies, and their products are widely used. The hardware configuration can be viewed in official website, and some hardware information has not been published.