Rubber valve parts 1.Certificate: ISO9001:2008 2.Environmental 3.Different sizes, from ... can provide you with many different sizes of rubber valve parts according to your drawing or samplesMatetialNBR, NR ,EPDM ,SBR ,SR ... ,CR ,IIR ,etc.PackingInner packing is by plastic bag outer packing is by carton and woodenPayment termT/T, L/CFOB ...