... &TUV 3.Made in CHINA 4.tire valve for bus Presta valve/saunders valve/safety valve V3.12 We are leading manufacturer(over ... weights, wheel balance weights, wheel balancing weights, tire valves, valve stem, valve accessory, reifen ventile, tire pucnture seal insert string(self vulcanized ... each model.3. Material :Brass stem or Zinc alloy stem, Natural rubber or EPDM,9002 valve core,C-cap,Plastic chrome ...