Why Choose Ruizhi Factory
Five reasons customers in 30+ countries keep coming back.
28-Year Expert Factory
We produce energy meters in our own factory for 28 years — STS, WiFi, DIN-rail and mechanical meters, all in one place.
OEM & ODM, MOQ 1 PC
Custom logo, nameplate and packaging. MOQ from 1 PC — trial orders and small projects welcome.
CE & ISO Certified Quality
CE and ISO certified. Every single meter is calibrated and strictly tested before it leaves our factory.
Free Sample · 3-Day Sampling
Free sample for evaluation, fast sampling in 3 days, inquiry answered within 24 hours.
Flexible Marketing Support
We customize marketing videos, posters and product catalogs for your market — and can even help you build your own branded website.
Featured Products
Best-selling meters and protectors from our own production lines. Click any card for full specifications and factory price.
Product Application
Our meters work in homes, commercial & industrial facilities, solar PV plants and smart energy systems.
Home & Residential

Commercial & Industrial

Solar & New Energy

Smart Energy Management

About Ruizhi Factory
Ruizhi (brand ELEWISE) is a professional meter manufacturer in Wenzhou, Zhejiang, integrating R&D, production, sales and service. We focus on all-electronic and mechanical energy meters, water meters and distribution boxes for overseas markets — all produced in our own factory.
Every meter is calibrated on advanced microcomputer-controlled test benches with photoelectric pulse technology, and strictly tested before packing. More than 95% of our products are exported to Southeast Asia, Central Asia, Africa, Europe and America, backed by CE and other certifications — keeping quality stable and prices competitive for wholesalers, distributors and project buyers.
Learn MoreOur Workshop
A real look inside our factory — injection molding, SMT lines and assembly.
Our Honor
We ensure customers can purchase and use our products with confidence — certified with CE, UL, RoHS, ISO 9001 and ISO 14001.






From Our Blog
Practical guides to help you choose the right meter.

Single-Phase vs Three-Phase Energy Meter: How to Choose
How to tell which meter your project needs — load size, phase type and cost, explained in plain language.

What Is an STS Prepaid Energy Meter? A Complete Guide
How keypad prepaid meters work, what to check before buying, and why STS dominates prepaid metering.

Why Factory-Direct Energy Meters Cost Less — and Last Longer
Trading companies add margin at every step. A source factory gives better price, fewer defects and faster OEM.

DIN-Rail Energy Meters Explained: Types and Installation Tips
Single-phase, three-phase, WiFi and prepaid DIN-rail meters — plus installation tips from our engineers.
Get the Best Factory Price within 24 Hours
Our meters are produced in our own factory — best price, strict quality, every meter tested before shipment.
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