DNB.DNB (founded in 1953) is a pioneer in China's corrosion-resistant pump industry, specializing in the development and manufacture of petrochemical process pumps. Its products cover more than 20 types of special pumps, such as chemical mixed-flow pumps (MF series), axial-flow pumps (HZ series), explosion-proof submersible pumps (QWE series), etc., which are widely used in petrochemicals, energy and other fields. As the largest exporter of corrosion-resistant pumps in China, its core technology products such as axially split multi-stage pumps (ASD series) and vertical pipeline pumps (VP series) continue to provide efficient solutions for industrial fluid transportation.