Dezhou Guochang Machinery Co., Ltd. was established in 2005 and is dedicated to the research, production, sales and service of CNC tools and chucking devices. The company's main products include: MAS403 (BT), DIN2080 (NT), DIN69871 (SK), DIN69893 (HSK), CAT, ISO and other standard high-precision tool holder series, as well as high-precision ER, EOC, SK chucking device series and other CNC precision tools and chucking devices.