Changchun City Science&Technology Development co.,Ltd

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product
Glass to fire prevention
Crowd aircrew and mould softly and hard together
Crowd the sealing strip softly and hard together
Sealing strip of the wooden doors and windows
Car stagnant water one, packing box one
Inflation sealing strip of the fireproofing
Solar energy heating and solar energy step, store technology season
product

 
         
  Car stagnant water   Car stagnant water   Packing box   The side of garage is sealed  

 

　　　(The above is only typical products, if there are special requirements , please call to consult. )
 
 
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