Shandong Zhongyuan Greentech Co., Ltd. was established in March, 1997, headoffice in Jinan Shandong Province China. After ten years of development, Zhongyuan has become top and professional manufacturer of Chondroitin sulphate in China. Shandong Zhongyuan Greentech Co., Ltd is first plant which successfully passed American Natural Products Association GMP certification and obtained GMP certificate in 2009. We are the main supplier of Chondroitin sulphate in the market of Europe and U. S. A., the brand GREENTECH has high reputation in the market of U. S. A. With ten years of production history, the manufacturing process is well optimized, and the quality of the product is stable. According to the customer's requirements, products with different specifications can be provided. We have experted with many years of study for the biochemical products.

Our GMP facility, put into use in March, 2008, is designed and constructed totally according to the international GMP standard. We established the GMP system which is compliance with the requirements of Europe and U. S. A., I. E. GMP for API (ICH Q7). At the same time, our regulatory team has prepared the DMF in CTD format according to the requirements of Europe and U. S. A. And our quality unit has the ability to satisfy the customer's requirement for different test methods or different pharmacopoeia standards, so as to provide more technical services better

Our manufacturing plants is updated with a good environment. We are of the first class from the very begining of manufacturing to finished raw material. We could provide different Chondroitin Sulfate at the assay of 90% and 95%. Our stable capacity is 15t/month and more than 200t/year. Quality is guaranteed.