ZLOG-20GTH-Li-800x800
Real-Time Temperature & Location Monitoring
60+ Countries Served
01 / Real-Time Data Loggers

Know where your cold chain stands — live.

FRESVUE 4G real-time loggers stream temperature, humidity and location to the cloud — with instant email and app alerts the moment a threshold is breached.

ZTAG-T-800x800
Single-Use & Reusable USB Loggers
180-Day Recording
02 / USB Data Loggers

Plug-and-read temperature evidence for every shipment.

One-click USB loggers with automatic PDF/CSV reports. Single-use for one-way shipments, reusable for warehouses and repeat lanes.

ZTAG-90T-800x800
Ultra-Low Temperature Down to -90°C
-90°C to 70°C Range
03 / Ultra-Low Temperature Loggers

From dry ice shipping to vaccine distribution.

Dry ice monitoring down to -90°C for vaccines, biologics and premium frozen seafood — air-transport compliant and traceable end to end.

ISO 9001 Certified

Audited manufacturing with full batch traceability.

CE / EN12830:2018

Every logger certified to EU transport standards.

Cold Chain Monitoring Solutions

Converging sensing, connecting the cold chain.

FRESVUE designs and manufactures cold chain temperature and humidity data loggers — from 4G real-time trackers to USB loggers and ultra-low temperature recorders — helping food and pharma shipments arrive with proof.

National High-Tech Enterprise based in Shenzhen, serving customers in 60+ countries.

ISO 9001
Certified manufacturing
CE & EN12830:2018
EU-compliant products
20+ Patents
In-house R&D team
ZTAG-20GTH-Li-800x800
Featured Logger
ZTAG-20GTH-LI
Temp + Humidity + Location

Single-use 4G data logger with temperature, humidity and LBS location tracking, email & app alerts and cloud PDF reports.

Real-Time
4G tracking with live alerts
Plug-and-Read
Auto PDF/CSV reports via USB
Ultra-Low
Down to -90°C for dry ice

Live cold chain visibility and proactive risk management.

Real-Time Series

Why FRESVUE

Engineering you can verify, service you can reach.

Fifteen years of sensing R&D, 20+ patents, and a certification file behind every shipment — plus a team that answers when something goes wrong.

01 / Manufacturing1

National High-Tech Enterprise with in-house production

Our Guangming facility in Shenzhen handles R&D, assembly and calibration under ISO9001, ISO45001 and ISO14001 systems — quality is built in, not inspected in.

ISO9001 / 45001 / 14001
About FRESVUE
02 / Compliance2

Certified for the routes your cargo flies

Products carry CE, RoHS and EN12830:2018 approvals, with UN38.3 battery certification and RTCA/DO-160G air-transport compliance — active loggers fly safely with your shipment.

CE / EN12830 / UN38.3
Read the guide
03 / Service3

Long-term support from the maker, not a middleman

Custom logo and OEM branding, small-batch trial orders, and direct technical support from the engineers who built the platform.

OEM / ODM
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Featured Loggers

From real-time trackers to single-use indicators

A cross-section of the FRESVUE lineup: flagship real-time loggers, cost-effective USB recorders, ultra-low temperature specialists and minimal indicators.

The full catalog with specifications and certifications lives on the Products page.

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ZTAG-T-800x800
Single-Use Temperature Data Loggers

ZTAG-T Single-Use Temperature Data Logger

Single-use USB temperature data logger with one-click start and automatic PDF/CSV report — no software needed. Two-year battery life, -30°C to 70°C, IP65 — a cost-effective choice for food and pharma cold chain shipments.

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material-story-media

Sensing & Platform

From sensor to cloud, one connected chain.

FRESVUE covers the full stack: a sensing layer (temperature, humidity, light, impact, gas, position), an equipment layer (real-time loggers, USB recorders, indicators), and a platform layer (cloud dashboard, desktop software and mobile app).

Sensing Layer

Six parameter families: temperature, humidity, light, impact, gas and position.

Equipment Layer

Real-time loggers, USB recorders, shock/light loggers, indicators and Brix meters for every lane.

Platform Layer

Cloud platform with live maps, alerts and reports — plus LoggerAnalysis desktop software and the LoggerNet app.

Explore the Platform

Track Record

Numbers behind the network.

15 years of team experience · 60+ countries · 150+ customers

600,000+ shipments monitored with FRESVUE loggers across fresh food and pharmaceutical cold chains.

600,000+
Shipments Monitored

Precision sensing trusted across fresh food, pharmaceuticals, life sciences and chemical logistics.

4 End Markets
Cold Chain Coverage

15+ years of R&D experience and 20+ patents behind every product generation.

15+ Years
R&D Experience

Cold Chain Insights

Guides, field reports and product updates

Practical guides on choosing, deploying and validating cold chain monitoring — written by the FRESVUE team.

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Latest stories

Buyer Questions

What cold chain buyers ask before ordering

Quick answers about certifications, customization and how our loggers work.

Still deciding? Send us your lane details — route, product and temperature range — and we will recommend the right logger.

Cold Chain Updates

Product guides and cold chain insights, straight to your inbox.

Occasional product releases, application guides and field reports for cold chain professionals. No spam — unsubscribe anytime.

We reply to every inquiry within one business day.

Contact

Tell us what you are looking for

Send a question, distributor request, or OEM/OEM project brief and the FRESVUE team will follow up within one business day.

Email
Lunazhao@fresvue.com
Phone
+86 18688715683
Office
5C Building, Idea Park Guangming District, Shenzhen, Guangdong, China
Hours
Mon-Fri, 9:00-18:00 (GMT+8)

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