Engineered to comply with local regulatory mandates and international standards like ISO 16890 and EN 1822.
Adapting global calibration standards to West Africa's unique environmental and manufacturing landscapes.
Benin experiences intense dry, dusty winds from the Sahara. High-capacity filters must undergo rigorous dust-loading validation tests to protect heavy machinery, telecom shelters, and local processing centers.
With the rise of the Glo-Djigbé Industrial Zone (GDIZ), local processing of cotton, agricultural goods, and textiles demands high-grade cleanrooms. Robust air filter test chambers are crucial to ensure worker safety and product quality.
Benin’s regulatory bodies are shifting toward stricter eco-industrial compliance. Implementing standardized testing for HEPA filters, HVAC, and cleanrooms builds local manufacturing trust on a global scale.
Dongguan Huanyi Instruments Technology Co., Ltd. was established on March 20, 2007, covering an area of 6,022 square meters. It is a high-tech enterprise integrating R&D, production, sales and after-sales service. It participated in the drafting of national standards and industry standards for environmental simulation test equipment.
Our philosophy is "customer-centric, quality-guaranteed, honesty-based, and innovation-oriented". Through unremitting efforts, Huanyi has cultivated a high-quality team with rich production, R&D and management experience.
With the persistent efforts of all staff, our products have been selling to Southeast Asia, Europe, the United States, the Middle East and other regions, and have gotton good feedback from customers. Since its establishment, we have accumulated more than 2,500 customers, and the products have won unanimous praise from customers.
Besides, the company has been providing customers with the "most competitive" products, continuously introducing international advanced technologies, learning from others and integrating them.
From standard compliance audits to rugged testing procedures under extreme conditions.
Testing protective outdoor cabinet filters to safeguard telecom nodes against fine sand intrusion.
Enabling universities and analytical chemistry labs in Cotonou to execute precise aerodynamic and cleanroom studies.
Incorporating advanced assembly processes backed by ISO-calibrated machinery and ERP monitoring.
Every test chamber undergoes full cycle validation before dispatch, ensuring flawless startup in West Africa.
Heavy-duty international sea-freight crating protects instrumentation on its way to the Port of Cotonou.
Comprehensive video commissioning, sensor calibrations, and customized parts support online 24/7.
Why precise particle loading, aerodynamic flow rates, and stability limits dictate reliable system selection.
In modern industrial air processing, air filter test benches must measure fractional efficiency with high sensitivity. High-performance filtration relies on accurate testing conditions inside standardized aerodynamic test loops. Here are three critical engineering metrics that specify high-precision filter verification:
Before a filter goes into service, its differential pressure (pressure drop) must be plotted against air volume. Utilizing dynamic nozzle arrays according to ISO 5167 ensures that the turbulence in the duct doesn't distort data. Standard-compliant fans and stable control systems ensure test repeatablity.
A testing machine must generate stable concentrations of test agents, such as Sodium Chloride (NaCl) or Potassium Chloride (KCl), at controlled sizes. Particle counters detect downstream migration, defining the fractional collection curve. This curve is essential for assigning filters to ISO 16890 ePM1, ePM2.5, or ePM10 ratings.
Filter substrates absorb moisture, altering structural resistance and electrostatic charge. Therefore, state-of-the-art systems regulate temperature and humidity in a closed loop, ensuring consistent test conditions even in tropical environments like Benin.
Why global sourcing departments trust us for high-precision environmental instrumentation.
High Quality Control from every aspect of raw material, production, installation, and commission.
With more than 20 years of experience, we have professional production and R&D personnel. Huanyi can meet large-volume production orders at any time. Additionally, we use an ERP system to monitor the production process, ensuring timely delivery.
Modern equipment and superb process production including laser cutting panels and wood, ERP systems, production control systems, cutting automation, our advanced equipment can help us reduce waste.
ISO 9001 factory manufacturing. Mature Technology and professional after-sales service to ensure maximum machine uptime.
High-quality production environments using globally recognized components.
Finished Product Library
Inspection Zone
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Fifteen years of R&D achievements in environmental simulation systems.
Engineered to meet national & international verification standards.
Got technical questions? Find quick answers from our design team.
Complete system range for precision laboratories and custom engineering applications.
Extending testing capabilities to pharmaceutical, energy storage, and temperature aging systems.
Connect with one of our environmental test engineers to specify flow velocities, particle sizes, and configuration specs custom-built for your site requirements.
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