... heavy trucks, motorcycles, Tubeless Tyre valve for carOur company was established twelve years ago as Ningbo Zhongda Valve Wick Co ... automotive sector. However, in 2004 the decision was made not only to increase and diversify the former traditional activity, but ... , light trucks, heavy trucks, motorcycles, etc.2) Conform to international standard3) Cold, Heat and Ozone Resistant4) Materials available ...