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  In 1979,we developed and manufactured the first batch of lubricating device--oscillating and fixed mixer,side entry mixer.  
  In 1992,we developed our first set vertical cylindrical furnace with modular design, modular manufacture and modular installation in China.  
  In 1996,we developed the first set of compartments furnace,modular design, manufacture and installation.  
  In 1997,we completed modular design, manufacture and installation of one set of four-in-one reforming furnace  
  In 1998,The first set of A-level asphalt production equipment --C side entry mixer and FBA top entry mixer was designed, manufactured and installed in China by us.  
  In 1999,we completed the first set renovation project--Four sets of oil to gas vertical cylinder furnace.  
  In 2003,we independently researched and developed, designed and manufactured energy saving burner-Low NOX environment friendly burners.