Located at Juancheng County, Heze City, Shangdong Province, Shandong Yangcheng Biotech Co., Ltd is a key national high and new-tech enterprise based upon research and development and integrating manufacturing and sales into one whole body. Our major products include L-tyrosine (fermentation method and non-animal origin), tyramine (p-hydroxy phenyl ethylamine), tyramine hydrochloride (p-hydroxy phenylethylamine hydrochloride), n-acetyl-l-tyrosine (fermentation method, non-animal origin), three nitrogen thiazole carboxylic acid methyl ester, soybean meal hydrolysate. To complete the test products: L- ornithine,L-(+)-Ornithine hydrochloride、L-ornithine- L-aspartate salt,2-Aminobutyric acid 
Citrulline,Citrulline malate ,(4-aminobutyl)guanidinium sulphate,Biological Bata alanine,DL alanine,etc. 

With a guiding tenet of sincerity and trust, our company has always followed a pathway of innovation, an objective of servicing and a striving of sharing. After technological explorations and industrial practices over many years, we have created an excellent team with strong capacities of creativity and services. 

Possessing a full set of manufacturing facilities, advanced manufacturing technologies, scientific management systems and complete analytic testing instrumentation, our company is engaging in manufacturing a series of API products according to the international standards of AJI, USP, EP and FCC. We can provide a steady supply of superior products to the domestic and international markets. 

With an independent R & D division, our company has also established a long-term strategic cooperation with renowned universities and research institutes at home and abroad. Blazing new trails, our fermentative manufacturing techniques of L-tyrosine, levodopa and dopamine have filled in the domestic voids. Up to the present, there are 4 appraised internationally advanced manufacturing techniques, 4 invention patents and 21 patent applications. 
Our relentless pursuit is to create values for clients and prosper with them.