Three models of TZ4 series valves, as follows: TZ4-52, TZ4-57 and TZ4-70. They apply to settable wheel tyres of motorcycles, industrial vehicles and tractors.

• 本公司生产的TZ4系列轮胎气门嘴有：TZ4-52型、TZ4-57型和TZ4-70型等3种型号。它们分别适用于摩托车、工业车辆及拖拉机道向轮胎。