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       Ningbo Jinzhan Biotechnology Co., Ltd. (formerly Ninghai Organic Chemical Factory) was established in 1989 and is located in the Industrial Zone of Xidian Town, Ninghai County, Ningbo City, Zhejiang Province. Jinzhan Biotechnology is a potential enterprise in Ninghai County, an advanced self-operated export enterprise, and has been rated as an AAA credit enterprise by the Ningbo Credit Evaluation Committee. It is a professional domestic manufacturer of L(+), DL-tartaric acid and tartrate esters, and has had self-operated export rights since 1999. Among these, L(+) tartaric acid was the first of its kind in China, with an annual production capacity of 5,000 tons, while DL-tartaric acid and other products have a combined annual production capacity of 20,000 tons.

        Jinzhan Biotechnology is the company that won the EU anti-dumping case against Chinese tartaric acid with an extremely low tax rate. In June 2012, it won again and obtained a low tax rate of 8.3%, which is valid for five years.

        Jinzhan Biotechnology has successively obtained ISO9001:2008 Quality Management System certification, ISO22000 Food Safety Management System certification, Jewish KOSHER certificate, Muslim HALAL certificate, and national industrial production licenses (QS) for DL/L(+) tartaric acid and potassium hydrogen tartrate. The products comply with multiple international standards such as FCC, USP, BP, and the Japanese Food Chemicals Codex, and have received export food hygiene registration certification from the Ningbo Entry-Exit Inspection and Quarantine Bureau.

        The company has total assets of 250 million yuan and a production base covering 100,000 square meters. It also has a provincial-level research institution and collaborates with the Chinese Academy of Sciences and domestic higher education institutions to establish a new scientific research system, continuously developing new products that are highly welcomed by the market.