Founded in 2000, Hangzhou Bioking Biochemical Engineering Co., Ltd. is located in Hangzhou Tangqi Industrial Park, with a registered capital of CNY 75 million. It is a high-tech enterprise specializing in the production of tartaric acid. 
The founder of Bioking-Mr. Jianguo ZHANG, to also be called "Mr. Tartaric Acid of China" by the industry, has more than 20 years experience in the research and development of tartaric acid . Bioking is the inventor of L (+) - tartaric acid biosynthesis technology with 13 related invention patents. The commercial application of this technology brought new changes to the world tartaric acid market. During the years, Bioking has been awarded the titles of "National Torch High-tech Enterprise", "Provincial R&D Center", "Hangzhou Pilot Innovative Enterprise", "Yuhang District Leading Enterprise". It was listed as "Hangzhou Promising To-be-listed Enterprise" in 2013, "Zhejiang Province Key Manufacturing Enterprise", "Hangzhou Key Enterprise in Emerging Strategic Industries", "Hangzhou Automation Model Enterprises" and won "Yuhang  District Top Ten Export Enterprises" multiple times in 2016. In 2018, Bioking also won the title of "Zhejiang Invisible Champion" and "Zhejiang Research Center".Bioking insists the value of "Innovation as source, Honesty and reliability as principle, Responsibility as priority, Outstanding as aspiration". Our mission is to "Innovating biotechnology, Establishing eco-manufacturing, Creating better lifestyle". Bioking will continue to innovate and develop, provide better products and services for our global customers, and make our due contribution to green and sustainable development.

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Middle East Region (e.g. UAE); Oceania; North America (USA, Canada); Africa; Central America (e.g. Mexico); East Asia (e.g. China, Japan, Korea); Europe - EU countries; Europe - non EU (e.g. UK, Russia, ex-CIS countries); South America (e.g. Brazil, Colombia); South Asia (e.g. India, Pakistan, Sri Lanka); South East Asia (e.g. Thailand, Philippines, Singapore)