We have a strict quality management system, and all products, from raw materials to finished products, have perfect traceability management. There is an independent laboratory equipped with advanced testing equipments, such as high-performance liquid chromatography, UV spectrophotometer, analytical balance, moisture and ash analyzer, etc. It can detect routine physical and chemical indexes, content of active ingredients, solvent residues, pesticide residues, heavy metal elements, microorganisms and other items. We have a professional testing team composed of master's and bachelor's degree personnel. In addition, we have also established cooperative relations with domestic and oversea third-party authorized testing institutions to ensure the reliability of testing results.