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CNOOC Ningbo resumes manufacturing at SM plant

CNOOC Ningbo resumes manufacturing at SM plant

Jun 10, 2025

CNOOC Ningbo Daxie Petrochemical restarted the Styrene Monomer (SM), plant in Zhejiang. Sources in China told a member of the team that "the company resumed operations on June 8, 2025." The plant had been closed for maintenance since June 1, 2025. Located in Zhejiang province, China, SM has a 280,000 mt/year production capacity.