... the best quality. 2.IS9001 3.Consist: Brass stem,valve core,plastic cap 4.short delivery time 1.Our products are ... the highest quality materials2.Material :brass, zinc alloy, natural rubber, EPDM,9002 core,cap,plastic chrome sleeve,copper chrome sleeve.3. ISO9001 ... per 1*20ft container5.Packing detail of Passenger car Tire Valve PVR701).1000PCS/ CTN,100PCS / BAG2).G.W:8.00GS3).MEAS ...