Simple price inquiry machines with code scanners are widely used around the world, but specific usage may vary depending on region, industry and cultural differences. Here are some countries where this device may be widely used:

China: This type of device is very common in China, especially in large retail stores, supermarkets and convenience stores. China's e-commerce and mobile payment industries are developing rapidly, and consumers have high demand for fast and convenient price inquiry and payment methods.

United States: The retail industry in the United States is also quite developed, and many large retailers have adopted self-service equipment to improve efficiency. Simple price check kiosks with barcode scanners are common in supermarkets, department stores, and electronics retail stores in the United States.

Europe: European countries, such as the United Kingdom, Germany, France, etc., also widely use this equipment. In Europe, consumer demand for self-service and efficient shopping experiences is also increasing.

Japan: Japan’s convenience store culture is very developed, and self-service equipment is widely used in convenience stores in Japan. A simple price inquiry machine with a code scanner can help consumers quickly find the price and inventory information of products and improve shopping efficiency.

South Korea: South Korea’s retail and e-commerce industries are also very developed, and consumers have high demand for self-service and smart shopping. Therefore, simple price inquiry machines with code scanners are also widely used in South Korea.

It’s important to note that while these devices are used worldwide, specific usage may vary based on region, industry, and cultural differences. In addition, as technology continues to develop and consumer needs change, the scope and manner of use of such devices may also change in the future.