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Quality Management

We take quality management as the focus of company management and customer satisfaction as the company's operating purpose to ensure that the quality of each batch of products meets customer requirements. We continuously improve every aspect of quality control by strengthening staff training, improving detection technology and improving detection indicators to improve product quality. The company obtained ISO9001: 2000 quality management system certification.

Each batch of products we issue is accompanied by a detailed quality inspection list, including: batch number, product characteristics, production date, required indicators, actual analysis data and other detailed data.

  

In the quality control system, we use the following testing steps to ensure the quality of each batch of products:

-Intermediate quality inspection

-Product quality inspection

-Product analysis certificate

-Sample retention for each batch of products for at least one year

In product quality control, we use the following technologies:

-Chromatography (gas chromatography)

-Mass spectrometry (liquid-mass spectrometry)

-Spectroscopy (violet / infrared), atomic absorption

-Determination of physical constants

-Content analysis

-Titration (acid titration; alkaline titration; coordination titration; non-aqueous titration; redox titration)

-Mixing test with water

-Determination of evaporation or ignition residue

-Non-volatile matter determination

-Clarity test

-Various chemical reaction tests