Tai'an Wanli Instrument Co., Ltd. is a high-tech enterprise engaged in the research and development, production, sales, and service of multi-user smart meters, smart water meters, prepaid energy meters, gas meters, heat meters, and other instruments. The company is committed to providing a one-stop solution for water, electricity, gas, and heating metering, remote meter reading, and billing management using technology and processes. At the same time, it provides OEM services to meet the requirements of its customers. The company's well-established product line can meet the multi-level needs of users. Multi user centralized prepaid smart meters can achieve functions such as prepaid, postpaid, tiered electricity pricing, malicious load monitoring, etc., and can also realize RF card (IC card) one card RS485、 Infrared, power line carrier GPRS/CDMA、 Multiple communication methods such as wireless LAN enable intelligent management of automatic meter reading and payment. Tai'an Wanli Instrument Co., Ltd. is a subsidiary of Wanli Technology Group. Wanli Technology Group was founded in 2000 with a registered capital of 80 million yuan, total assets of 1 billion yuan, and a total of 2000 employees. It is a comprehensive private enterprise group that integrates electronic technology, instrument and meter, technology incubation, venture capital, mechanical equipment manufacturing, and medical services. The company relies on the strong research and development capabilities of universities in Thailand and Wanli Technology Group, focusing on product research and innovation. It currently has more than 100 full-time and part-time scientific and technological personnel, including 5 professors, 15 engineers, 7 researchers with doctoral degrees, and 1 researcher with master's degrees. The company has stable and reliable raw material suppliers, an independent manufacturing industry chain for energy meter supporting products, precise testing equipment, skilled inspectors, and excellent production and inspection processes. It has achieved quality monitoring throughout the entire process from raw materials, manual operation, process equipment, inspection and testing, ensuring that all product parameters are controlled within stricter indicators, far exceeding relevant standard requirements. In previous and provincial metrological product supervision and sampling inspections, the sampled products have been qualified. Product quality and reputation are the lifeblood of a company. The company takes high-tech enterprises as its starting point, relies on production processes and perfect inspection methods as conditions, and is based on an excellent quality management system. It organizes production and management in accordance with the IS09001 standard, and pays special attention to improving product quality in the development process. Each product must undergo careful testing, debugging, and maintenance by professional technicians to meet performance standards before being sent to customers. The company has established a quality management system in accordance with standards and has passed the IS09001 quality management system certification, making it one of the certified enterprises in the same industry in Tai'an City. Has won multiple provincial, ministerial, and municipal science and technology progress awards. The products produced by the company with excellent performance, complete variety, reliable quality, moderate price, and perfect after-sales service are highly trusted by customers and sold to more than 20 provinces and cities. Standing at the starting point of the new century, the company adheres to the concept of high-quality management, zero quality management as the goal, fine management as the principle, and lean production as the means, with the broad tide on both sides of the strait and the wind hanging a sail. Adhering to the concept of technological innovation as the foundation, the company promotes the development of China's precision instrument market with technology, products, and services, and achieves the required level of product quality. Wanli will make great contributions to the construction of China's smart grid with its skills, excellent products, and high-quality services! We listen attentively, communicate with sincerity, and sincerely invite people of insight from all over the world to join and cooperate, jointly creating a new brilliance in the development of the precision instrument industry!