By the 2nd generation condole carries material PVC on the head to improve and model armor plate comes, also weigh UPVC, overcame PVC easy ageing basically, easy fade, not flame retardant defect.

 
  • 塑鋼板是由第二代吊頂材料PVC改進(jìn)而來(lái)的,也稱(chēng)UPVC,基本克服了PVC易老化,易褪色、不阻燃的毛病。
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