BEIJING--February 7, 2024--Researched by Industrial Info Resources (Sugar Land, Texas)--CNOOC Ningbo Daxie Petrochemical Limited (Ningbo Zhejiang, China) is a subsidiary of state-owned China National Offshore Oil Corporation (Beijing, China) and started commercial operations in 2003. It will spend US$2.14 billion on 27 refining projects such as plant expansions, maintenance, unit upgrades and more.