In 2021, China's express delivery has exceeded 70 billion pieces, and it is urgent to improve the work efficiency of the logistics industry. Traditional electronic scales have been unable to meet this demand, and the use of smart devices has become the best choice for express logistics points. Pcb Barcode Laser Marking, Electronic Weight Kanta, Fanless Panel Pc, Touch Panel Computer,Black And White Inkjet Printer. The self-service washing machine system is aimed at universities or other dormitory type users, so that they can wash clothes more easily in their work, study and leisure time. The micro embedded Android industrial tablet corresponding to the washing machine, through the tablet with RS485 communication interface from the washing machine internal sensor dynamic acquisition water level, the weight of the clothes to automatically add detergent real-time, the optimal washing time, and then through the Ethernet to upload the necessary data to the server, so that the customer can also through the mobile phone and terminal interconnection, complete remote payment or remote booking start washing, etc. The product will supply to all over the world, such as Europe, America, Australia,Ukraine, Eindhoven,Macedonia, Slovakia.Guangzhou Weiqian has implemented and passed the ISO9001 quality management system certification. After more than ten years of hard work and persistence, it has formed a strong product supply system. The logo products of its Idjet and Weiqian Laser brands sell well all over the country. Sold in more than 50 countries and regions overseas.