Located in a beautiful coastal city-Weihai, China, Weihai Zhongrui Biological Products Co., Ltd. is a professional manufacturer and exporter of sodium hyaluronate products. We have standard factory buildings that conform to GMP requirements, a quality management system which was built according to ISO13485 and operated efficiently, modernized manufacturing equipment, detecting instruments of international level, strict process management and control, professional technicians and engineers, and abundant production and management experience, all of which ensure the reliability and stability of...