Product production and quality control is one of the core competitiveness of JYOUKI. In order to ensure the high quality of products, JYOUKI always adheres to the policy of "quality comes from design", and has established a quality control system throughout the stages of product development, production, testing, circulation and use. The company has also developed detailed quality control procedures to ensure that the quality of products meets the intended use throughout the life cycle, and the process is continuously monitored.

There are two laboratories, one for pharmaceutical intermediates laboratory and the other for API laboratory, with a total building area of 758m². API laboratory is specially used for the inspection of L-α-glycerylphosphorylcholine products and the inspection of raw and auxiliary materials used in the production of this product, including microbial laboratory, physical and chemical laboratory, GC instrument room, HPLC instrument room, general instrument room, stability laboratory, balance room, infrared detection room, TOC detection room, air conditioning room and other functional rooms. The inspection equipment has been verified and confirmed, with data audit tracking system, to ensure the data integrity requirements, strictly ensure the quality from raw materials into the factory, intermediate production and delivery of each link.