它是如何运作的

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$3000-5000 USD

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将近 8 年前

$3000-5000 USD

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my project is about the production of complete N_P_k fertilizer and soil condtioner from waste paper.

Product Sourcing

项目 ID: 10625436

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活跃8 年前

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2威客以平均价$4,444 USD来参与此工作竞价

@alexkolomnikov

RUSSIAN FEDERATION的国旗

Good day! I am interested in your project! I'll be glad to get this experience! I am Professional chemist with more than 5 years of experience in various backgrounds of chemistry. When I have a problem or a difficulty I do not say, «this is a problem or difficulty». I say, «what I can do about it»? I would like to know more information about your project.

$4,444 USD 在10天之内

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Netherlands

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会员自12月 2, 2015起

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