Ningbo Yinzhou Yongdun Pneumatic Tool Manufacturing Co., Ltd is one of the National Technical Committee for Standardization of Rock Drilling Machinery and Pneumatic Tools. It is located in Ningbo, a national historical city being rich in culture and an important trading port on the beautiful coast of East China Sea.The Company was founded in 1985 with the original name of Wuxiang Machinery Accessories Factory in Yin Count···+More