Engineered environmental verification chambers designed to deliver high accuracy validation across extreme environmental variables.
Environmental testing is critical in evaluating how products behave under various stresses such as extreme temperatures and relative humidity. A Constant Temperature and Humidity Chamber performs this verification process by generating highly uniform, repeatable climatic environments. These systems simulate conditions ranging from hot and humid climates to cold, dry zones. This testing allows engineers to identify design flaws, calculate MTBF (Mean Time Between Failures), and guarantee compliance with global reliability standards.
A high-performance chamber controls temperature and moisture levels by balancing its heating, refrigeration, and humidification systems. Advanced PID control algorithms continuously regulate these systems to maintain precise conditions. The chamber’s interior is built with high-grade SUS304 stainless steel, and it uses high-density polyurethane foam insulation to prevent heat transfer and ensure structural integrity during long-term testing profiles.
Sourcing constant temperature and humidity chambers from China offers technical flexibility, advanced supply chain integration, and cost-effective manufacturing.
Our facility is located in Dongguan, the heart of China’s advanced industrial manufacturing hub. This location gives us direct access to high-quality raw materials and critical components, such as high-precision sensors, specialized valves, and high-performance compressors. This centralized supply chain allows us to reduce raw material procurement cycles and accelerate production lead times.
Equipped with a Digital Sheet Metal Center, we utilize automated laser cutters, high-precision CNC bending machines, and robotic welding stations. Automated cutting minimizes material waste, guarantees structural uniformity, and allows us to quickly fabricate custom shell sizes, structural configurations, and port layouts to meet specific OEM testing requirements.
While we assemble and customize our chambers in China, we source critical core components from recognized global brands to ensure reliability. We integrate compressors from Danfoss and Bitzer, electrical controls from Schneider Electric, and PID controllers from programmable logic controllers (PLC) specialists. This combination delivers international-grade reliability at a competitive cost.
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. We have 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 gotten good feedback from customers. Since its establishment, we have accumulated more than 2,500 customers, and the products have won unanimous praise. Besides, the company has been providing customers with the "most competitive" products, continuously introducing international advanced technologies, learning from others and integrating them.
Over a decade of milestones in high-precision testing instrumentation R&D.
Established Dongguan Huanyi Instrument Technology Co., Ltd. focused on high-precision climatic testing chambers.
Established Jiangsu Office to support local electronics and automotive supply chains in East China.
Established Xi'an and Chongqing Offices to support military, aerospace, and heavy industry research hubs.
Established Shanghai and Beijing Offices to expand services for multinational automotive, telecom, and semiconductor enterprises.
Established our Digital Sheet Metal Center, integrating CNC machinery to improve customization capability and shorten manufacturing cycles.
Passed ISO 9001:2015 quality management system certification, aligning our production processes with international standards.
Recognized as a high-tech enterprise for six consecutive years. Participated in drafting national environmental testing standards such as GB5364 and GBT50325.
Established a dedicated testing laboratory, Guangdong Huance Testing Technology Co., Ltd., to provide third-party calibration and product verification testing services.
Our commitment to engineering quality ensures reliable, long-term testing performance.
We implement strict quality control across every stage of production—from raw material inspection and sheet metal fabrication to refrigeration unit assembly and final calibration testing.
With more than 20 years of experience, our R&D and production personnel handle complex, large-volume custom orders, supported by an ERP system to ensure on-time delivery.
We utilize modern production equipment, including automated laser cutters, CNC bending machines, and ERP tracking systems, to minimize material waste and improve manufacturing efficiency.
Our ISO 9001 factory sources components from verified suppliers, combining reliable raw materials with specialized technical support to ensure product durability.
High-precision environmental chambers configured for key industries and complex regulatory compliance standards.
New energy vehicle components and lithium-ion batteries require rigorous testing under dynamic thermal loads. We provide custom chambers equipped with explosion-proof vents, gas detection systems, and fire suppression systems to safely test batteries under thermal runaway, short-circuit, and high-humidity conditions.
Integrated circuits, PCBs, and passive electronic components are sensitive to humidity and thermal stress. Our chambers simulate rapid temperature transitions and high moisture conditions to identify defects, such as delamination, migration, and solder joint degradation, helping manufacturers meet IPC and JEDEC testing standards.
Our stability chambers help pharmaceutical manufacturers comply with ICH guidelines (such as Q1A for drug substance stability testing). They maintain long-term, stable climatic environments with tight control tolerances (typically ±0.5°C and ±2% RH) to evaluate active pharmaceutical ingredients (APIs) under accelerated aging conditions.
A look inside our 6,022 sqm production facility, testing laboratories, and quality inspection departments.
From raw design drafting and fabrication to delivery, installation, and after-sales support.
Designing systems capable of handling critical electrical loads, signal shielding, and fiber optic component testing in specialized climatic conditions.
Developing high-precision prototypes and analyzing custom thermal profiles to optimize performance before starting large-scale assembly production.
Our skilled technicians build, wire, pipe, and assemble each environmental testing unit in compliance with our certified quality management guidelines.
Every chamber undergoes multi-point testing, including temperature profiling, humidity calibration, electrical safety checks, and continuous runtime verification.
We pack each unit in vacuum-sealed moisture barrier bags and reinforced wooden crates to ensure it remains protected during sea, air, or land shipping.
Our engineering team provides global support, assisting with installation, system programming, routine maintenance, calibration, and spare parts supply.
Our manufacturing and testing processes are certified to meet international standards for quality and regulatory compliance.
Providing environmental testing systems for key industries worldwide, including aerospace, defense, electronics, and materials research.
Frequently asked technical questions regarding the operation, design, and calibration of constant temperature and humidity chambers.
Explore our specialized testing systems, dynamic benches, and gas generators built for demanding environmental validation.
Huanyi
