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certifications

  • Gbt34005-2017 test method for water vapor transmission performance of tubular insulation products

  • Gbt20974-2014 rigid phenolic foam products for insulation

  • GBT17794-2008《柔性泡沫橡塑絕熱制(zhi)品》

  • GBT 35608-2017《綠色產品(pin)評價技術要求絕(jue)熱材料》

  • GBT 13350-2008


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