About DAYAN International
Your trusted partner in hemoglobin reference materials
Who We Are
DAYAN INTERNATIONAL CO., LIMITED is a Hong Kong-based supplier specializing in high quality hemoglobin reference materials for the in vitro diagnostics (IVD) industry. We provide a comprehensive range of purified hemoglobin proteins, quality controls and calibrators that serve clinical laboratories, IVD manufacturers and research institutions worldwide.
Our product portfolio covers the full spectrum of hemoglobin testing needs — from HbA1c controls and calibrators for diabetes monitoring to multi-analyte hemoglobin variant controls for thalassemia and hemoglobinopathy screening programs. Every product is manufactured under strict quality standards to ensure reliability and consistency.
Our Core Capabilities
Delivering excellence across the hemoglobin reference materials value chain
Quality Assurance
Every product undergoes rigorous quality testing to meet international standards. Our controls and calibrators are manufactured with full traceability and comprehensive documentation including Certificates of Analysis.
Comprehensive Product Range
From purified hemoglobin proteins (HbF, HbA2, HbA1c, HbA0, HbS, HbC) to multi-level controls and calibrators, we offer a complete portfolio for diabetes and hemoglobinopathy testing applications.
OEM & Custom Solutions
We offer flexible OEM supply and custom manufacturing services. Whether you need bulk quantities, private labeling or tailored specifications, our team works closely with you to meet your exact requirements.
Global Supply
Based in Hong Kong with established logistics networks, we deliver to customers across Asia, Europe, the Americas and beyond. Our efficient supply chain ensures timely delivery wherever you are.
Product Focus Areas
Specialized reference materials for critical diagnostic applications
Diabetes Testing (HbA1c)
Routine controls, linearity panels and calibrators for HbA1c measurement — the gold standard for long-term glycemic monitoring in diabetes management.
View HbA1c Products →Thalassemia & Hemoglobinopathy
Multi-analyte controls with defined HbA2, HbF and HbS levels for hemoglobin variant testing used in thalassemia screening and sickle cell disease diagnosis.
View Thalassemia Controls →Research & Development
High purity hemoglobin proteins (HbF, HbA2, HbA1c, HbA0, HbS, HbC) for assay development, method validation and research applications.
View Purified Proteins →Partner With Us
Whether you are a clinical laboratory, IVD manufacturer or research institution, we are ready to support your hemoglobin testing needs with reliable, high quality reference materials.
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