Fuyang Dongchen Bioengineering is a Trans-4-hydroxy-L-Proline and L-Proline production enterprise, any require on Trans-4-hydroxy-L-Proline and L-Proline, welcome to contact us!

Zhejiang Fuyan Dongchen Bioengineering Co.,Ltd located in Hangzhou, China. Established on 2001.The company covers an area of more than 23000 square meters, with employees of more than 120.


Dongchen is specializing in the production of Amino Acid. Based on the 21st century sunrise industry Bioengineering Technology, relying on Colleges and universities, Dongchen optimized high-yield pure seeds, efficient separation and purification technology, and produce a series of high-quality amino acids. Our companyhas been retaining senior professor in the industry to be technology  

advisor and establishing long-term cooperation relationship with the leading Universities in China. 


All the product’s quality accorded with the standards of CP(2000),FCC5,USP41,BP(93),AJI97. The plant certified to ISO9001.


Company advantage: 

1.      First-class technology, the technical team are organized by several professional doctors from the leading universities in China. Our tech team have obtained mature fermentation technology, gain low impurity content and quite competitive price.

2.      Good appearance, compared with powder form by other factories, our product is crystalline powder with high crystal glare.

3       The fermentation process is with very less pollution, we can provide material stable with long term.

4.      Only one stable supplier of side chain of Meropenem and important intermediate for the synthesis of first-line antihypertensive drugs such as captopril and enalapril, for domestic pharmaceutical companies in China.


Since its establishment, the group has been committed to scientific development and innovative development, and has devoted itself to the innovation of fermentation technology for amino acids series products and the improvement of their quality standards. Dongchen have established good cooperation with many pharmaceutical and food companies in China and abroad by supplying them high quality and competitive price. 

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