Amid the global wave of digital and green transformation in energy systems, accurate and reliable metering serves as the cornerstone for building new-type power systems. As a professional manufacturer with over two decades of industry experience, Zhejiang Yongtailong Electronics Co., Ltd. has always focused on innovating smart energy metering and sensing technologies. We provide stable and high-precision products and solutions for customers worldwide, contributing to the improvement of energy efficiency and the advancement of sustainable development.
Foundation: Focusing on Core Metering Technologies, Forging Reliable Quality
Since its establishment, Yongtailong has been dedicated to the field of energy metering. We deeply understand that metering accuracy and equipment reliability are the fundamental pillars of gaining customer trust. The company has established a full-process quality control system covering core chip design, precision manufacturing, and automated calibration. This ensures that every smart meter delivered from our factory meets or even exceeds international standards (such as IEC and OIML) as well as localized certification requirements of various countries. Our comprehensive product portfolio, ranging from single-phase to three-phase, AC to DC, and basic metering to advanced monitoring, caters to the precise metering needs of diverse scenarios including residential, commercial and industrial sectors.
Driving Force: Sustained Technological Innovation, Expanding Application Depth
Technological innovation is the core driving force behind Yongtailong's development. We not only continuously optimize metering accuracy and long-term stability, but also strive to enhance the intelligence and connectivity of our products. Our smart meter series supports international standard protocols such as DLMS/COSEM and can integrate multiple communication technologies (including PLC, RF, NB-IoT and Cat.1), ensuring reliable data transmission even in complex network environments. Meanwhile, we are exploring edge metering and sensing technologies, enabling devices to perform accurate metering while supporting more extensive local data processing and event judgment, laying a solid terminal foundation for building a "cloud-edge collaboration" energy data system.
Vision: Embracing Global Services, Understanding Localized Needs
Yongtailong's business now serves dozens of countries and regions across the globe. Beyond providing standard products, we place great emphasis on understanding the regulatory differences, power grid characteristics and customer pain points of different markets. Whether it is meeting the stringent requirements of the European MID Directive, adapting to the harsh high-temperature and high-humidity environments in Southeast Asia, or providing stable metering solutions for off-grid/micro-grid projects in Africa, we are capable of delivering customized product schemes and technical services, becoming a trustworthy partner for customers in the energy metering sector.
Responsibility: Empowering Energy Efficiency Improvement, Practicing Green Operations
We are committed to contributing to global energy sustainability through our products and technologies. Our low-power smart meters minimize the energy consumption of the devices themselves; accurate metering data provides a basis for users to identify opportunities for energy efficiency enhancement; askey metering and monitoring nodes in distributed energy systems such as photovoltaic and energy storage, our products support precise settlement of clean energy and efficient operation of the entire system. Internally, we also practice the concept of green manufacturing, reducing the environmental impact of our production processes.
Outlook: Collaborating with Partners to Build a New Smart Energy Ecosystem
Over the past twenty years, we have been deeply rooted in the metering industry. Looking to the future, Yongtailong will continue to strengthen its professional advantages in smart metering and sensing technologies, and actively cooperate with software platform providers, system integrators and energy service providers to jointly develop solutions that meet the needs of new-type power systems. We look forward to collaborating with global partners, and contributing our professional expertise to building a more efficient and resilient energy future through more accurate data, more reliable connectivity and more open cooperation.

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