Office Location
Shenzhen, China
Production Address
B1501, Meixun Science Park,
No.19, Jinxiu Zhonglu ,
Pingshan.
From substrates to stabilizers, from blocking agents to blocking buffers, Durastab provides key raw material solutions for the entire diagnostic reagent workflow.

TMB, pNPP and ABTS chromogenic substrates for ELISA, supplied as ready-to-use solutions or stabilized powder, delivering high sensitivity and reliable signal stability across microplate readers.
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BCIP/NBT and DAB membrane color-development substrates for Western blot and dot/slot blot, producing sharp, high-contrast bands with low background.
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AMPPD, APS-5 and Luminol chemiluminescent substrates for CLIA, engineered for high signal-to-noise and consistent performance on mainstream automated chemiluminescence analyzers.
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HRP/AP conjugate and protein stabilizers that protect enzyme activity and conformation, significantly extending the shelf life of immunoassay reagents under ambient or 2–8 °C storage.
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Casein- and BSA-based blocking buffers that effectively suppress non-specific binding and lower background noise in ELISA, CLIA and lateral-flow assays.
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ProCide-series IVD preservatives (150/200/300/950/1000) and BND-10/BIT-10, with broad-spectrum and isothiazolinone-free options, reliable alternatives to imported preservatives for bulk use.
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BSA, casein and synthetic blockers for coating and blocking steps, improving assay specificity and reducing cross-reactivity across diagnostic platforms.
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TMB stop solutions (H₂SO₄ / HCl / H₃PO₄ based), 10× wash buffer, coating buffer and other support reagents, manufactured under GMP-standard control with tight batch consistency.
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Durastab Medtec LTD has always adhered to the mission of "making diagnostic reagents more stable and more accurate" since its establishment, and is committed to providing excellent ready-to-use reagent solutions to global advanced medical diagnostic companies.
Partner Collaborations
Listed & Segment-Leading Enterprises
Quality rooted in expertise
Master's & PhD R&D team
turning technology into productivity
Product performance & stability
≥ imported equivalents
If you require customized stabilizers, our technical team is at your service.
Simply provide us with some components of your kit, and we'll handle the rest.
Make R&D simpler! Faster!
All substrate solutions require no further time-consuming optimization.
We can customize according to your needs or upgrade based on existing products.
Goal: Lower Noise, Higher Signal !
Replace existing low-quality products and expand your product line;
Our entire product range offers OEM or ODM services.
Help brands owners reduce costs and increase efficiency!

Vision: To become a globally renowned manufacturer
of key raw materials for diagnostic kits
Supported by technical experts from China and internationally
Nearly 1,000 square meters of GMP production facilities
Scalable production from dozens to 1,950 liters per batch


Our rigorous quality control ensures product stability.
Custom product development services available for clients
Offer direct alternatives to globally leading brands

