Durable degree is high , be able to bear corrosion , firm Pump body Pump bodyEfficiency: Annual output of more than 10,000 tons of ... ,bell mouth,chock etc, for mooring, port working equipment .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear ... declared NK,DNV,BV,ABS,CCS,Germany classification society attestation. Pump body