We produce two type of shoulders for e clips, one is cast in shoulder, which is pressed in concrete sleepers. Shoulder Standard: UIC, GOST, GB/TB, DIN, BS, AS, ASTMType : All kinds available according to customers drawings and samplesRaw material : QT400-15 .QT450-10 .QT500-7Surface : PlainPacking: 25kgs bag + wooden palletProductivity: 200tons/Month;Unit Price:NegotiableMinimum Order: 1000 ...