Bearing Housing Application:Pump Parts,Pipes and Fitting Materials:Cast Iron,Grey Iron Specification:ASTM, AISI, SAE, ACI,GB Bearing Housing:1)Application: ... Pump Parts,Pipes and Fitting2)Materials:Cast Iron,Grey Iron3)Specification:ASTM, AISI, SAE, ACI,GB 4) ... on. We have been working on sales of our products for many years, so we are very familiar with our products ...