• Manhole cover series

  
  ZH-Ø500O rdinary
  
  ZH-Ø700Ordinary
  
  ZH-Ø700 Aggravation
  
  ZH-Ø300

• Square manhole cover

  
  ZH-400*400 light
  
  ZH-300*400 weight
  
  ZH-500*500 light
  
  ZH-500*500 weight

• The rain Gou series

  
  ZH-450*750
  
  ZH-400*600
  
  ZH-300*500
  
  ZH-300*400

• Water meter box series

  
  ZH-300*500*120
  
  ZH-250*450*12
  
  ZH-500*400
  
  ZH-600*400

• Electric power traffic

  
  ZH-860*1410
  
  ZH-800*1200
  
  ZH-800*600
  
  ZH-500*120

• Ditch cover series

  
  ZH-500*500
  
  ZH-200*500
  
  ZH-250*500
  
  Ladder15*28

• The lawn well series

  
  Paving slabs wells 700*700
  
  Plastic inspection wells dedicated
  
  ZH Protect the tree board1000*100Within?550
  
  ZH-Ø700

• Steel fiber The rain Gou series

  
  ZH-750*450 STEEL FIBER
  
  ZH-400*500
  
  ZH-400*400
  
  ZH-300*400

• Steel fiber Manhole cover series

  
  ZH-Ø900
  
  ZH-Ø750
  
  ZH-Ø400
  
  ZH-750

• Steel fiber manhole

  
  ZH-600x600
  
  ZH-500x500
  
  ZH-400x400
  
  ZH-300x400

• Steel fiber power telecommunications

  
  ZH-920*96
  
  ZH-920*48
  
  ZH-920*144