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Custom OEM Energy Meter Manufacturer I Saving

We deliver full-spectrum services including smart meters, data terminals, cloud software and system O&M, empowering enterprises and power utilities with reliable energy management systems.

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One-Stop Energy Metering & Management Solutions

Stable wireless communication, compact structure and easy installation. Realize remote meter reading, power consumption monitoring and centralized management for power distribution systems.

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Trusted Meter Supplier & Custom OEM Service

Complete product certification, mature supply chain and customized technical support. Long-term partnership for power distributors, engineering contractors and global utility clients.

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Company Profiles

Jiangsu Senwei Electronics Co., Ltd. is a one-stop energy metering management service provider with intelligent electricity meters at its core, offering a full range of services including metering equipment, data acquisition devices, cloud software, system integration, and system operation and maintenance. The company always adheres to a technology-centered and market-oriented business policy, advocating the business philosophy of 'co-creation, sharing, mutual progress, and win-win.' Our mission is 'focusing on energy management to assist energy saving and emission reduction,' our vision is 'safer electricity use, more peace of mind for customers, happier employees, and a lower-carbon society,' our commitment is 'accurate metering, reliable and trustworthy,' and our principle is 'honest operation, mutual benefit, and win-win.' Innovation is the eternal pursuit of Senwei people. We will continue to leverage our technological advantages in the field of energy metering management to help customers achieve scientific energy use and the goal of energy saving and consumption reduction, contributing to the creation of a resource-saving and environmentally friendly society.

Jiangsu Saving Electronic Co., Ltd.

Main Product

Power Data Gateway Terminal (4G/LoRa) RTU1218Power Data Gateway Terminal (4G/LoRa) RTU1218
Power Data Gateway Terminal (4G/LoRa) RTU1218
The power data gateway terminal is primarily designed for electricity consumption monitoring. It features upstream 4G wireless communication capabilities and downstream LoRa wireless meter reading, enabling a fully wireless communication architecture that facilitates electricity monitoring, centralized meter reading, and remote management for users. The product offers numerous advantages, including rapid and stable communication, a compact form factor, and ease of installation. It can be flexibly installed within power distribution cabinets to enable sub-metering, statistical analysis, and monitoring of electrical energy consumption across different zones and load types.
Three-Phase Electronic Energy Meter DTS1218
Three-Phase Electronic Energy Meter DTS1218
The Model DTS1218 Three-Phase Electronic Energy Meter is a state-of-the-art instrument designed and manufactured to meet the actual power consumption requirements of industrial users, utilizing large-scale integrated circuits, digital sampling and processing technology, and SMT processes.
4G Three-Phase DIN-Rail Smart Energy Meter DDSU12184G Three-Phase DIN-Rail Smart Energy Meter DDSU1218
4G Three-Phase DIN-Rail Smart Energy Meter DDSU1218
The DTSU1218 three-phase DIN-rail energy meter is designed to measure single- and three-phase AC active energy at rated frequencies of 50 Hz and 60 Hz. It features functions such as prepayment, load control, RS485 communication, and 4G communication. Its performance specifications comply with the technical requirements for energy meters stipulated in the national standards GB/T 17215.321-2021 and GB/T 17215.322-2022.
Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218
Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218
DTSU1218 three-phase four-wire electronic energy meter (guide rail) is a new generation of energy metering products developed and produced by our company in accordance with relevant technical specifications. This product adopts dedicated large-scale integrated circuits and SMT production technology, and has functions such as energy metering, data processing, real-time monitoring, and information interaction. The RS485 communication interface supports Modbus and DL/T 645 dual communication protocols. This product is widely used in various control systems, energy management systems, community power monitoring, industrial automation and other power management automation systems.
Single-phase Electronic Energy Meter DDSU1218Single-phase Electronic Energy Meter DDSU1218
Single-phase Electronic Energy Meter DDSU1218
DDSU1218 single-phase electronic power meter is used to measure single AC active power with rated frequency of 50Hz, with functions of prepayment, load control and RS485 communication (optional 4G communication), etc. The performance indexes are in line with the technical requirements of national standard IEC62053-21 and IEC62053-22 for power meters.
International Three-Phase Four-Wire Fee-Control Smart Energy Meter DTZY1218GJ
International Three-Phase Four-Wire Fee-Control Smart Energy Meter DTZY1218GJ
The Three-Phase Four-Wire Fee-Control Smart Energy Meter is a state-of-the-art instrument designed and manufactured to meet modern advanced standards, utilizing large-scale integrated circuits, digital sampling and processing technology, and SMT processes, and tailored to the actual electricity consumption patterns of industrial users.
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New Arrivals

Power Data Gateway Terminal (4G/LoRa) RTU1218Power Data Gateway Terminal (4G/LoRa) RTU1218
Power Data Gateway Terminal (4G/LoRa) RTU1218
The power data gateway terminal is primarily designed for electricity consumption monitoring. It features upstream 4G wireless communication capabilities and downstream LoRa wireless meter reading, enabling a fully wireless communication architecture that facilitates electricity monitoring, centralized meter reading, and remote management for users. The product offers numerous advantages, including rapid and stable communication, a compact form factor, and ease of installation. It can be flexibly installed within power distribution cabinets to enable sub-metering, statistical analysis, and monitoring of electrical energy consumption across different zones and load types.
Three-Phase Electronic Energy Meter DTS1218
Three-Phase Electronic Energy Meter DTS1218
The Model DTS1218 Three-Phase Electronic Energy Meter is a state-of-the-art instrument designed and manufactured to meet the actual power consumption requirements of industrial users, utilizing large-scale integrated circuits, digital sampling and processing technology, and SMT processes.
4G Three-Phase DIN-Rail Smart Energy Meter DDSU12184G Three-Phase DIN-Rail Smart Energy Meter DDSU1218
4G Three-Phase DIN-Rail Smart Energy Meter DDSU1218
The DTSU1218 three-phase DIN-rail energy meter is designed to measure single- and three-phase AC active energy at rated frequencies of 50 Hz and 60 Hz. It features functions such as prepayment, load control, RS485 communication, and 4G communication. Its performance specifications comply with the technical requirements for energy meters stipulated in the national standards GB/T 17215.321-2021 and GB/T 17215.322-2022.
Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218
Three-phase Four-wire Electronic Energy Meter (Guide Rail) DTSU1218
DTSU1218 three-phase four-wire electronic energy meter (guide rail) is a new generation of energy metering products developed and produced by our company in accordance with relevant technical specifications. This product adopts dedicated large-scale integrated circuits and SMT production technology, and has functions such as energy metering, data processing, real-time monitoring, and information interaction. The RS485 communication interface supports Modbus and DL/T 645 dual communication protocols. This product is widely used in various control systems, energy management systems, community power monitoring, industrial automation and other power management automation systems.
Single-phase Electronic Energy Meter DDSU1218Single-phase Electronic Energy Meter DDSU1218
Single-phase Electronic Energy Meter DDSU1218
DDSU1218 single-phase electronic power meter is used to measure single AC active power with rated frequency of 50Hz, with functions of prepayment, load control and RS485 communication (optional 4G communication), etc. The performance indexes are in line with the technical requirements of national standard IEC62053-21 and IEC62053-22 for power meters.
International Three-Phase Four-Wire Fee-Control Smart Energy Meter DTZY1218GJ
International Three-Phase Four-Wire Fee-Control Smart Energy Meter DTZY1218GJ
The Three-Phase Four-Wire Fee-Control Smart Energy Meter is a state-of-the-art instrument designed and manufactured to meet modern advanced standards, utilizing large-scale integrated circuits, digital sampling and processing technology, and SMT processes, and tailored to the actual electricity consumption patterns of industrial users.
Single-Phase Fee-Control Smart Energy Meter (Module) DDZY1218GJ
Single-Phase Fee-Control Smart Energy Meter (Module) DDZY1218GJ
The Model DDZY1218-GJ Single-Phase Tariff-Control Smart Energy Meter is a new-generation energy metering product in accordance with relevant international technical specifications. Designed in compliance with the IEC 62053-21 and DL/T 645-2007 standards, this product utilizes dedicated large-scale integrated circuits and SMT manufacturing processes, offering functions such as energy metering, data processing, real-time monitoring, automatic control, and information exchange.
Three-Phase Four-Wire Fee-Control Smart Energy Meter DT/SZY1218-DThree-Phase Four-Wire Fee-Control Smart Energy Meter DT/SZY1218-D
Three-Phase Four-Wire Fee-Control Smart Energy Meter DT/SZY1218-D
The Three-Phase Fee-Control Smart Energy Meter is a state-of-the-art instrument designed and manufactured to meet the actual electricity consumption needs of industrial users, utilizing large-scale integrated circuits, digital sampling and processing technologies, and Surface Mount Technology (SMT).

News

The Future of Grid Modernization: Integrating Energy Efficiency Terminals into Smart Grids
The Future of Grid Modernization: Integrating Energy Efficiency Terminals into Smart GridsThis technical guide highlights how integrating energy efficiency terminals into smart grids optimizes edge computing, solves protocol conversion issues, tracks power quality, and lowers total cost of ownership across modern distribution networks.
How to Select State Grid Electric Meters for Large-Scale Grid Upgrades
How to Select State Grid Electric Meters for Large-Scale Grid UpgradesDiscover how to choose the ideal State Grid electric meter for large-scale utility upgrades. Learn to evaluate key specifications, STS prepayment systems, and energy terminals to optimize grid efficiency.
Energy Meter Product Line Guide for Power Distributors
Energy Meter Product Line Guide for Power DistributorsComplete range of energy meters for overseas distributors — single-phase, three-phase, prepaid, smart, DIN rail. Class 0.5S to 2.0. OEM manufacturing with full certifications and supply chain transparency.
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Cases

Evaluating Anti-Tamper Features in International Electric Meters
Evaluating Anti-Tamper Features in International Electric Meters
What Utility Procurement Managers Look for in a State Grid Electric Meter Supplier
What Utility Procurement Managers Look for in a State Grid Electric Meter Supplier
Transitioning to STS Electric Meters: Overcoming Key Implementation Challenges for Utilities
Transitioning to STS Electric Meters: Overcoming Key Implementation Challenges for Utilities
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