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Supply of hydraulic door opener
      
Supply of hidden door closer
      
Supply of GHL-2 normally open evacuating gate auto-releaser, power-driven door closer
      
Supply of electrical-machine screw window opener
      
Supply of door opener
      
Supply of COU-50 series door closer
      
Supply of auto-induction door motor, auto-door motor
      
Supply of aluminum alloy die-casting door closer parts, door opener parts, door and window hardware
      
Supermarket auto-induction door, supermarket single swing door
      
Inductive lock for hotel
      
FR-12 autoregression hinge
      
Supply of zirconia ball, zirconia microsphere
      
Supply of yttria-stabilized zirconia ball
      
Supply of walnut shell filter, manganese sand filter, shell activated carbon
      
Supply of shot blasting abrasive, shot peening metal abrasives
      
Supply of quality mullite fine powder
      
Supply of polishing paste for stainless steel doorknob lock, bathroom and kettle
      
Supply of mill ball, wear-resisting porcelain ball
      
Supply of Hunan sand belt products
      
Supply of Korean sand belt products
      

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