How to select proper raw material and purchasing channel under soaring material price?
在原材料价格高涨的情况下如何选择合适的原材料及采购渠道？
We select the best material suppliers as partners, from raw materials, production, shipments are tracking records.
我们挑选最好的材料供应商为合作伙伴，从原料、生产、出货都全程跟踪记录。
The MDI type polyurethane stadium paving material was synthesized. The discussion on how to select raw materials was made. The preparing technology and the properties of the material were described.
合成了MDI型聚氨酯体育场地铺设材料，对原材料的选择进行了讨论，论述了合成工艺及材料物性。
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