LONGI METER CO.,LTD.
LONGI METER CO.,LTD. manufactures smart energy, water, gas and heat metering products and integrated energy management systems, backed by large-scale automated production and strong R&D investment.
Est. 1968No.25, Guangming Road, Yinchuan 750021,NingXia, China
About LONGI METER CO.,LTD.
LONGI METER CO.,LTD., founded in 1968, is recognized as the birthplace of China’s first electronic watt-hour meter. After more than 50 years of development, it has grown into a national high-tech enterprise focused on smart energy metering instruments and complete metering solutions.
The company supplies a broad portfolio covering energy, water, gas and heat meters, along with data concentrators, collectors, terminal equipment and integrated energy management systems. With extensive field deployment—over 40 million instruments installed—it supports utilities and partners with reliable, scalable products.
LONGiMeter operates a fully automatic, intelligent manufacturing facility designed for high-volume output, with annual production capacity exceeding 30 million pieces. Innovation is supported through ongoing R&D investment of more than 5% of total sales revenue each year, with R&D centers in Ningxia and Hangzhou.
Quality management is built around detailed control across customer requirements, design, supply chain, production and standards. LONGiMeter also maintains long-term cooperation with international organizations and third-party laboratories to help ensure products align with the latest international technical standards, while providing technical training and 24/7 after-sales support through local teams.
Company Overview
- Positioning
- National high-tech enterprise and smart metering solution provider
Industry Pioneer
Founded in 1968, the company is recognized as the birthplace of China’s first electronic watt-hour meter and continues to advance smart metering technologies.
Products & Solutions
Main Product Portfolio
Energy metersWater metersGas metersHeat metersData concentratorsCollectorsTerminal equipmentIntegrated energy management system
Market Presence
- Installed Base
- 40,000,000 instruments
Manufacturing
Automation & Capacity
30,000,000pcsAnnual production capacity
Fully Automatic, Intelligent Production
The company operates a fully automatic factory with intelligent automatic manufacturing designed to support stable, high-volume delivery for utility-scale programs.
Innovation
- R&D Investment
- 5 %+ of total sales revenue per year
R&D Footprint
R&D center in NingxiaR&D center in Hangzhou
Quality
Quality Control in Every Detail
Quality management is built around end-to-end control—from understanding customer needs through design, supply chain management, production execution and quality standards—to deliver consistent performance in the field.
Standards & Ecosystem
International Cooperation
DLMSSTSPLC-G3 AssociationsKEMASGSCNAS
International Business
- Overseas Joint Ventures
- Two overseas joint venture factories established in Nigeria and Ghana
Overseas Development Timeline
1968Company founded
Established as a pioneer in electronic watt-hour metering.
1998Overseas market entry
Began overseas projects with a 110,000 single-phase watt-hour meter project in India.
Export Markets
IndiaPhilippinesIndonesiaNigeriaGhanaBeninSouth Africa
Service & Support
Training and Localized After-Sales Support
The company works strategically with partners to improve utility revenue outcomes, provides professional technical training, and maintains local teams delivering 24/7 after-sales service.
Contact Information
- Address
- No.25, Guangming Road, Yinchuan 750021,NingXia, China
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