stainless steel pipe connector 1)material :stainless steel 304 or 316 2)craft:lost wax process 3)satin or mirror polish stainless steel pipe connectorSpecification1, investment casting ,precision casting2, carbon steel / alloy steel /stainless steel3, SDM/OEM4, FIMA , AP,QP,QA,QC,AOL,RDThe ultimate success of casting design deponds on the communications between the designer and foundry engineers ...