In the modern pharmaceutical landscape, the demand for high-precision stability testing has transcended simple temperature and humidity control. Today's global market is driven by biologic-based drugs, which require ultra-low temperature stability and specialized photostability assessments.
Google's recent focus on E-E-A-T highlights the need for manufacturers to demonstrate deep technical expertise. As a leading Custom Drug Stability Test Chamber Supplier, Huanyi Instruments focuses on "Information Gain" by providing equipment that specifically addresses the nuances of ICH Q1B (Photostability) and ICH Q1E (Evaluation of Stability Data).
The transition from mechanical controls to AI-driven micro-processing ensures that fluctuations are minimized to ±0.1°C, a critical requirement for long-term stability studies.
Established on March 20, 2007, covering 6,022 square meters, Huanyi Instruments is a high-tech enterprise integrating R&D, production, sales, and after-sales service. We are proud participants in the drafting of national and industry standards for environmental simulation equipment.
Our philosophy: "Customer-centric, quality-guaranteed, honesty-based, and innovation-oriented."
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Years of R&D Excellence
9001:2015 Certified
Large-scale walk-in stability chambers designed for high-throughput testing. Integrated with redundant cooling systems and UPS backup to prevent data loss during power fluctuations.
Cost-effective, compact stability chambers that offer the same level of precision as larger units. Ideal for R&D phases and pilot stability studies.
Highly customizable chambers to meet varying client protocols. Huanyi provides versatile solutions that can switch between different ICH climatic zones (I-IV) with a single touch.
High Quality Control from every aspect of raw material, production, installation, and commission. We use internationally renowned brand components to ensure performance.
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 using our ERP monitoring systems.
Modern equipment including laser cutting panels, automated cutting, and ERP systems help reduce waste and ensure precision engineering.
ISO 9001 factory manufacturing. Mature technology and professional after-sales service with ISO-certified raw materials.








For global pharmaceutical manufacturers, localization is key. Huanyi provides DQ (Design Qualification), IQ (Installation Qualification), OQ (Operational Qualification), and PQ (Performance Qualification) documentation to ensure that your chamber is ready for FDA or EMA inspections immediately upon installation.
Huanyi is currently developing the next generation of Sustainable Stability Chambers. This includes the use of GWP (Global Warming Potential) refrigerants and energy-efficient heat pump technology, reducing the carbon footprint of long-term drug storage studies.
Future iterations will feature AI-driven predictive maintenance, alerting users to potential compressor or sensor failures before they impact the stability of stored samples.
Ensuring quality through world-class components and independent innovation.