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Since the implementation of the one-meter-per-household policy, the conversion of Wuhan water meters to smart meters has become quite common. Due to the soaring prices of copper materials, the cost of water meter materials has increased, and incidents of theft of copper components from water meters have occurred in society, becoming a new social issue following the theft of manhole covers in cities. The all-plastic water meter, which was studied over a decade ago, is now being revisited. However, this type of water meter still faces various doubts, mainly focused on the long-term sanitary safety of the materials and the limitations of plastic material testing methods. Whether all-plastic water meters can be adopted in the water supply system in the future depends on the establishment of comprehensive standards, simplified testing methods, and approval from industry policies. In some countries and regions with milder climate changes (such as certain countries in South Africa and South America), plastic shell water meters are also in use. It may take several years of trial use before a comprehensive assessment can be made regarding this product. Electronic water meters and water meters with electronic devices need to undergo environmental tests and electromagnetic compatibility tests, among others. These regulations take into account the technical characteristics of products such as electromagnetic water meters absorbed into the new standards and regulations, and also encourage water meter products to improve their measurement range capabilities to meet more stringent environmental and operational lifespan requirements. Market demand is multifaceted. The ideal measurement result for a parameter relies on the performance of the product itself and the correct selection, installation, and use. The development trend of water meters, apart from improvements in the products themselves, is more importantly about selecting suitable water meters for different situations, possibly with the assistance of other instruments and software technologies, such as wireless remote transmission, bus system remote reading, and pipeline leak detection alarms. Manufacturers should not produce products merely for the sake of products but should consider the user's purpose in selecting, planning, designing, and improving. The true performance characteristics of water meter products are accurate and stable measurement, wide flow measurement range, low pressure loss, not too high requirements for water quality, long lifespan, reliable additional device functions, and cost-effective materials. Although some commercial promotions of certain products may be misleading, the market's acceptance will undoubtedly support the national water-saving policies, achieve fair measurement, and bring economic benefits to enterprises through water meter products.