1.Size:1/2"-4",6"-30" 2.pressure:#2000-#9000 3.Material:SS,CS,Alloy 4.Standard:ASME, ... ,eg 5.Certificate:API,ISO,CE,eg size1/2"-4"6"-30"Type Elbow, Tee, Union, Cross, Coupling, Cap, Bushing , ... ,ISO 14001 OHSAS18001 , API ,etcpackingin wooded cases,pallets,or as for clients' requirementsapplicationPetroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, ...