Quality Control - Duozihealth

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OUR QUALITY STANDARDS

QC PROCESS

Raw Material Inspection

Testing for purity, potency, and heavy metals before entering our warehouse. Only qualified materials are accepted.

In-Process Control

Real-time monitoring during mixing, encapsulation, and gummy molding to ensure weight uniformity and formulation accuracy.

Finished Product Testing

Microbiological testing (bacteria, yeast, mold) and physical/chemical analysis before packaging.

Pre-Shipment Check

Final visual inspection of packaging, sealing, and labeling (even for Bulk Supply bags).

Raw Material Inspection

Testing for purity, potency, and heavy metals before entering our warehouse. Only qualified materials are accepted.

TESTING CAPABILITIES

Advanced Testing Laboratory

HPLC (High-Performance Liquid Chromatography)

GC (Gas Chromatography)
Atomic Absorption Spectroscopy
Microbial Incubators

We also work with third-party labs (like SGS/Intertek) upon request.

QUALITY YOU KAN SEE

It is also dedicated to research and development within the fields of biological products and medical technology. Through its integrity, capabilities, and product quality, the company has earned widespread recognition within the industry. We warmly welcome friends from all sectors to visit, offer guidance, and engage in business discussions.

Get in Touch

If you have any questions or needs about our products or services, please feel free to contact us at any time. We look forward to working with you and providing you with the best solutions.

DUOZI is a GMP-certified manufacturer specializing in custom supplement formulation and private label production for global brands.

QUICK LINKS

PRODUCT CATEGORY

CONTACT US

+86-158-7656-4275

Nani@duozihealth.com

718, No. 40, Helong 2nd Road, Jiahe Street, Baiyun District, Guangzhou, Guangdong, China