&ltp class=&quotintro-cnt J-txt-cnt&quot&gt 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 County. In 1998, it converted into Ningbo Yinzhou Yongdun Pneumatic Tool Factory and registered the trademark &quotYongdun&quot. &ltbr&gt&ltbr&gtIn 2005, it formed Ningbo Yinzhou Yongdun Pneumatic Tool Manufacturing Co., Ltd. The production base is located in Wuxiang Industrial Zone in Yinzhou, Ningbo, China, with modern standard workshop, strong technical force, perfect management system and professional machinery to develop and manufacture pneumatic tools. It has facilities and complete detection methods as well as metal forming machine, CNC machine, professional processing center, special CNC grinder, automatic heat treatment production line and domestic leading pneumatic test equipment. &ltbr&gt&ltbr&gtAs to quality, professional technicians strictly check is applied to make sure that the first-class quality from the process of testing raw materials and components to testing safety of the products. Our company mainly has 5 series of 21 varieties of impact types pneumatic tools such as pneumatic pick hammer, air shovel, air tamper, air riveter and air breaker. And 7 series of 28 varieties of rotary types tools such as pneumatic coal borer, straight stalk air grinder, transverse air grinder, industrial air grinder, air angle grinder, water-cooled air polisher and air agitator and varieties of matched picks and borers, which are widely used in such industries as quarry, min-opening, water conservancy, transportation, building, military industry, geologic