... .3-75mm Finish: POLISH,ACID,HL,200# polishing, 400 # polished SS 304 seanless tube Stainless steel is a production which not ... developed rapidly .At present, We export our products to Spain, Germany, France, Turkey, USA, Canada, Taiwan, Korea, Vietnam, India , Pakistan, Iran ... ,316L,316LN,317,317L,309,309S,310,310S,430,409specificationRoundSquarerectangle SS 304 seanless tube