Tongxiang Zhongda Machinery Co.Ltd. has devoted in the field of developing and manufacturing all kinds of highly qualified air brake chamber,spring brake chamber,Valves for brake system as well as air dryers for years.Our company is located in Tongxing city,Zhejiang province,where the Shenjiahu Express way run across.The company enjoys the transportation convenience to both Shanghai and Ningbo port. The company has brought in over 80 pairs of equipments,including advanced numeri...View More