1. Dezhou Sanjia Machine Manufacturing – Established 2003, specializes in deep hole drilling machines including deep hole drilling and boring machines, deep hole honing machines, and CNC deep hole drilling systems. Processing diameter Φ60-500mm, depth 1-12m with Siemens/FANUC/KND control options. Serves petroleum machinery, plastics industry, and automotive sectors. Website: [Contact via industry channels] -5

  2. Shenyang Machine Tool – Leading manufacturer of radial drilling machines and CNC drilling centers. Website: http://www.smtcl.com

  3. Dalian Machine Tool Group – Produces heavy-duty drilling machines for industrial applications. Website: http://www.dmtg.com

  4. Qiqihar No.2 Machine Tool – Specializes in deep hole drilling machines and boring machines. Website: http://www.q2mt.com

  5. Zhejiang RIFA Precision Machinery – Manufacturer of radial and CNC drilling machines. Website: http://www.rifa.com.cn

  6. Nantong Guosheng Machinery – Produces radial drilling machines for metalworking industry. Website: http://www.guoshengmachine.com

  7. Tengzhou Sanzhong Machinery – Specializes in bench drilling machines and industrial drill presses. Website: http://www.sanzhongmachine.com

  8. Shandong Lunan Machine Tool – Manufacturer of large radial drilling machines for heavy industry. Website: http://www.lunanmt.com

  9. Wuxi Machine Tool – Produces deep hole drilling systems for automotive and aerospace applications. Website: http://www.wuximachinetool.com

  10. Jiangsu Jinwei CNC Machinery – Specializes in CNC drilling machines and machining centers. Website: http://www.jinweicnc.com