Located in xuejia , xinbei district , changzhou duma tools co . , ltd . professionally makes and markets various carbide cutting tools including auger , milling tool , reamer , boring cutter , cutter for spot facing work , etc 我公司主要生產(chǎn)整體硬質(zhì)合金:鉆頭、銑刀、鉸刀、鏜刀、孔加工刀具等,并為用戶設(shè)計(jì)制作各種奇難刀具。