Its role Operator
Zhenxin Bio (Ningbo Zhenhai Refining Newhecheng Biotechnology Co., Ltd.), known in Chinese as 宁波镇海炼化新和成生物科技有限公司, is a joint venture established in 2023 by China Petroleum & Chemical Corporation (Sinopec) and Zhejiang NHU Co., Ltd. with equal 50:50 ownership.
Located in the Ningbo Petrochemical Economic and Technological Development Zone, Zhenhai District, Ningbo, China, the company specializes in the production of chemical products and feed additives, particularly focusing on liquid methionine—a key essential amino acid used in animal nutrition.
It is constructing a state-of-the-art facility with an annual capacity of 180,000 tons of liquid methionine, set to be the world's largest single-train unit featuring fully proprietary intellectual property. This project, with an investment of approximately RMB 3 billion, aims to boost China's self-sufficiency in methionine, support sustainable feed practices, and extend the propylene value chain in the petrochemical sector.
Also known as 镇新生物, 宁波镇新生物, and Zhenhai Xinhecheng Biotechnology.
chemXplore tracks 1 project involving Zhenxin Bio.
Pushes integrated regional bases, oil‑to‑chemicals/specialty conversions, smart factories and capacity rationalisation to secure feedstocks and high‑end materials for advanced manufacturing.
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