• 
  工程机械

  Construction Machinery
• 
  油田行业

  Oil Field Industry
• 
  锻压机床

  Forging machine
• 
  矿山行业

  Mining industry
• 
  冶金行业

  Metallurgical industry
• 
  船舶行业

  Instruments and Measurements
• 
  水利工程

  water conservancy project