Keypad-Enabled Three-Phase Prepaid Energy Meter SmartPay Trio 3800 with Frequency 50/60Hz

Hunan Stron Smart Co., Ltd., founded in 2007, is a professional manufacturer and total solution provider specializing in STS prepaid smart meters (energy, gas, water), PAYG solar home systems, vending software, and AMI systems.

We boast a robust technical team of around 60 professional engineers, with core members holding over 10 years of experience in the smart metering industry. Our R&D center is situated in Zhuzhou City, Hunan Province, while our cutting-edge Industry 4.0 modern factory is located in Wuhan City, Hubei Province.

In terms of production capacity, our factory achieves impressive annual outputs: 20 million single-phase energy meters, 10 million three-phase energy meters, 3 million smart water meters, 6.2 million collection terminals, and 1.32 million concentrators (DCU). We also take social responsibility seriously—our Wuhan factory allocates 12% of its annual profits to charity and public welfare, having donated over 100 million yuan to institutions like Nankai University and Hubei General Hospital, and a further 1 million yuan to support earthquake relief in Turkey and Syria in February this year.

With a global footprint, we maintain long-term cooperation with partners across more than 60 countries and regions, including Nigeria, Kenya, South Africa, Indonesia, and beyond. We hold multiple international certifications such as ISO 9001, ISO 14001, STS, 3C, SGS MID, and SONCAP, ensuring our products meet rigorous global standards.