Qingdao Qinggong machinery co., Ltd. is located in the new west coast economic zone of Qingdao, the geographical position is superior and the land, sea and air transportation is convenient. The company has been engaged in the research, development and manufacture of shot blast machinery for more than 20 years, and has the abundant technical force and rich production experience. The research and development level, the science and technology and the economic strength of the company, is second to ...   |