According to the standards and concepts of ISO9000, the company has a quality assurance department, including an instrument analysis room, a chemical analysis room, a balance room, a heating room, and a sample retention room. It is equipped with high performance liquid chromatograph, gas chromatograph, moisture meter, acidity meter, fineness, Dispersity, disintegration rate, suspension rate measurement, long tube test and other instruments and equipment.

          The company implements the principle of combining process control and product inspection, and monitoring the production workshop and quality assurance department separately. It has established quality assurance procedures, and the list of control points is as follows:

       Our company will control and inspect according to customer requirements for quality to ensure product quality. At the same time, our company strictly adheres to the tradition of pre production sample evaluation and timely fine-tuning the formula, which is the foundation of the superior quality of Fivestar.