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最佳答案：建筑节能材料、建筑新型材料、防火保温材料等系列产品.Energy-saving building materials,new construction mate
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最佳答案：The material will be ready within this week and we will also finish the goods by
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最佳答案：Please send product catalog and other related explanatory written materials
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最佳答案：PE ,a new environment friendly product which is multiply composited by Polymer M
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最佳答案：Sir,as u know,wages and materials' cost increase day by day and we sincerly want
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最佳答案：Please note that this product is made from stainless steel and sticker.We are no
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最佳答案：Instruction to industrial design, basis of design, engineering graphics, basis o
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最佳答案：1. I have had further understanding of product design, including raw materials,