the company is equipped with research and development rooms and testing rooms. Develop some cutting-edge products, and also develop and process some new products according to customer requirements. The company is also equipped with an advanced quality analysis and testing equipment, including high performance liquid chromatography, ultraviolet analyzer, gas chromatograph, thin layer scanner and so on. The company has established a complete production quality control SOP document and after-sales quality assessment documents. From the entry of raw materials to the sale of finished products, a sound quality management system has been established.