Name: impeller Material:cast iron,stainless steel,carbon steel,alloy ... Weifang Rainbow Machinery Co.,Ltd,located in Weifang,Shandong,China,150km from Qingdao,convenient traffic. supply impellers according to ... samples OEM service Foundry technique: sand casting,die casting,centrifugal casting,invesment casting,etc. Machining equipment:LG MAZAK machining ... ,Canada,Hungary,USA,Danmark and so on. IMPELLER