Welcome to Shanghai Tongzhougongji Biotechnology Co., Ltd.!
Your professional health food contract manufacturer
Quality Control
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The purpose of quality control is to guarantee the standardized product quality.
Our company makes effective management during the whole process of manufacturing to prevent any confusion, pollution and deviation.Thus we can make sure our products quality in accordance with standards and meet the requirements of customers.
1300 m2 QC center, over 60 precision instruments and 30 experienced employees constitute our qualified Quality Control department.

A. We utilize leading equipments for the lab analysis:
 GC (Gas Chromatograph)
 GC-MS (Gas Chromatography – Mass Spectrometry)
 HPLC (High Performance Liquid Chromatograph)
 AFS (Atomic Fluor Spectrophotometer)
 UV-Spectrophotometer
 AAS (Atomic Absorption Spectrophotometer)


B. We perform various types of quantitative analysis, and more than 90% product testing can be completed independent by ourselves:
- Physical and Chemical Properties
- Nutrient Components Analysis
- Heavy Metal Inspection
- Microbiological Inspection
- Solvent Remains Inspection


C. Our highly qualified and well-trained Quality Control employees offer various services for our customers: 
- In- house Lab Testing
- Supplier Qualification Audit
- Traceable records in the whole processing

 

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