stroke:64 mm Qty: 1800pcs/20'container Certificate: ISO9001:2004, ISO/TS16949 spring brake chamberoriginal wabco diaphgramsgood quality spare partsnice appearanceModel No.: T30/30DDstroke:64 mmQty: 1800pcs/20'containerExport packing cartonInner PK:plastic bagFOB Port: Shanghai/NingboDelivery time: 30---45daysCertificate: ISO9001:2004, ISO/TS16949 Double-diaphragm spring brake chamber DD30/30