The ransomhouse ransomware group listed Wison Engineering on its data leak site on 2023-06-14. Country: CN Sector: Energy & Utilities Domains named: wison-engineering.com Claim as published on the leak site: Wison Engineering, headquartered in Shanghai, was established in 1997. Wison Engineering is a chemical EPC service and technology providers in China. Wison Engineering specializes in serving petrochemicals, coal-to-chemical and oil refining industries.