Explore our high-precision CO2 monitoring equipment designed for harsh industrial environments and smart city integrations.

High-precision Non-Dispersive Infrared (NDIR) sensors designed for heavy industrial use in Hanoi's manufacturing zones.

Cloud-connected CO2 monitors featuring NB-IoT and Wi-Fi communication for real-time data analysis and remote alerts.

Optimized for smart buildings and commercial HVAC systems, ensuring optimal indoor air quality (IAQ) and energy efficiency.

Compact, explosion-proof portable detectors for personnel safety in confined spaces and underground operations.
As the capital city and a major economic hub of Vietnam, Hanoi has witnessed exponential growth in industrial manufacturing, urban infrastructure, and smart agriculture. With this rapid development comes the critical need for environmental monitoring and workplace safety. Carbon Dioxide (CO2) detection has transitioned from a niche requirement to a mandatory standard across various sectors in Hanoi and the surrounding Red River Delta region. From sprawling industrial parks like Thang Long and Noi Bai to modern high-rise commercial complexes in the city center, the demand for reliable, high-tech CO2 monitoring systems is at an all-time high.
In Hanoi's rapidly expanding skyline, maintaining Indoor Air Quality (IAQ) is paramount. Our CO2 detection solutions integrate seamlessly with HVAC systems in commercial buildings, optimizing ventilation, reducing energy consumption, and ensuring compliance with international green building standards like LEED and LOTUS.
Factories in Hanoi's suburban industrial zones, particularly those involved in electronics, textiles, and food processing, require robust CO2 monitoring to protect workers from toxic gas accumulation. We provide explosion-proof, continuous monitoring systems tailored for these harsh environments.
The agricultural sector around Hanoi is adopting smart greenhouse technologies. Precise CO2 enrichment and monitoring are crucial for maximizing crop yields. Our IoT-enabled sensors provide farmers with real-time data, ensuring optimal growing conditions through automated climate control.
Industry Development Trends: The future of gas detection in Vietnam is inherently tied to Artificial Intelligence and the Internet of Things (IoT). Traditional standalone alarms are rapidly being replaced by smart IoT networks. Manufacturers and factory owners in Hanoi are now seeking comprehensive systems that offer cloud-based data storage, predictive maintenance algorithms, and mobile app integration. Sichuan Shield Technology Co., Ltd. is at the forefront of this revolution, bringing advanced NDIR and TDLAS laser sensor technologies to the local market, ensuring high precision, long-term stability, and seamless S-BUS communication integration.
Sichuan Shield Technology Co., Ltd. is a high-tech enterprise integrating R&D, production, sales, and service of gas detection and alarm equipment, industrial instruments, valves, explosion-proof electrical appliances, smart IoT products, and sensors. It is committed to providing customers in Hanoi and globally with products, services, and system solutions that meet their safety application needs.
Strive for excellence in expertise and win by quality. The company has a professional technical R&D team and has applied for and obtained more than 40 patents. Relying on its own R&D capabilities, the company has designed specialized products such as gas detectors for oil and gas, IoT detectors for underground wells, S-BUS communication buses, and sensor modularization.
It has also developed upper-level software systems, including gas monitoring software and gas monitoring cloud platforms. This has led to the formation of a unique technical development model that encompasses software development, hardware design, structural UI, sensor analysis, and product testing. With more than 80 marketable product models, we offer personalized solutions to safeguard your life safety.
Shield Technology’s core strengths lie in its cutting-edge R&D, stringent quality control, diversified product offerings, extensive market network, and customer-centric services, solidifying its leadership in gas safety detection and IoT-driven solutions.
To provide customers with high-quality gas safety products and services through continuous innovation, leading technology, and rapid response.
To become a benchmark enterprise in the gas safety industry.
People-oriented, continuous innovation, and win-win collaboration. We value knowledge, respect talent, and provide growth opportunities.
Dedication, pragmatism, innovation, and teamwork.
With 18 years of industry experience, we offer comprehensive OEM/ODM services for Carbon Dioxide detection systems in Hanoi, supporting businesses from design to mass production.

From design to delivery – we handle R&D, prototyping, mass production, and certification.

Modify housings, logos, software interfaces, sensor configurations, and communication protocols (NB-IoT/Wi-Fi/4G).

ISO-certified production with real-gas calibration and 100% pre-shipment testing.

Annual capacity of 3.9M gas alarms and 4.68M valves ensures on-time bulk delivery.





| Component | Customizable Options |
|---|---|
| Product Design | Housing color/material, brand logos, UI language |
| Functionality | Sensor types (IR/electrochemical), alarm thresholds, IoT connectivity |
| Packaging | Retail/industrial packaging, multilingual manuals |
| Certifications | CE, UL, ATEX, FCC, or local market compliance |
01. Needs Consultation & Solutions: Our professional pre-sales team provides tailored advice on alarm functionalities, model selection, and application scenarios to help you quickly understand products and clarify requirements.
02. Customized Solution Design: We deliver bespoke system designs based on site layout, scale, and safety needs—including quantity, optimal placement, and networking of alarms—ensuring full coverage while balancing cost-effectiveness.
03. Product Demo & Testing: Live demonstrations showcase alarm triggering, linkage control, remote monitoring, and other core features.
Precision Selection & Integration: Based on pre-sales consultations, we provide tailored alarm model recommendations and compatible accessories (power adapters, backup batteries, networking modules).
Professional Installation: On-site installation guidance, sensitivity calibration, network connectivity verification, and linkage function testing.
After-Sales Scope: Routine equipment repair & maintenance, on-site technical training, proactive periodic check-ups, emergency response services, and post-warranty extended maintenance programs.
Our Carbon Dioxide detection products comply with stringent international and local standards, ensuring absolute safety and reliability for our clients in Hanoi and worldwide.








Discover our full range of Carbon Dioxide sensors, alarms, and IoT controllers designed to meet the diverse industrial and commercial requirements of the Hanoi market.

Heavy-duty casing designed for hazardous zones and chemical plants.

Moisture-resistant sensors perfect for smart greenhouses and farming.

Specialized for utility tunnels and underground mining safety.

Centralized control panel with S-BUS communication for multi-point monitoring.

Battery-operated portable unit for quick spot-checking and inspections.

Simultaneously monitors CO2, CO, O2, and combustible gases.

Core NDIR modules available for third-party equipment integration.

Long-range, low-power transmission for large-scale industrial parks.