Pharmaceutical, pesticide and flavor industry naturally own a certain social attribute. Joyin people know that product quality and safety production is the cornerstone and driving force to promote the company's business development. Joyin people believe product quality is strictly relying on process control and production safety is more relying on process inherent safety. We sustainably implement quality control and process intrinsic safety in the whole product development process. Since the establishment of the company, the quality of products and related service have been recognized and highly appraised by our customers; since the birth of the company, no serious safety accident has ever happened.