Small Ta wire is the key raw material for production of Ta capacitor.

细径钽丝是生产袒电解电容器的重要原材料。

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Key raw material to extract Paclitaxel (prominent ingredient in cancer-fighting medication), no replacement in the market currently.

提取抗癌药物紫杉醇的主要原料，目前尚无替代产品。

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Tough negotiations over prices are heating up between the worlds biggest steelmakers and the suppliers of a key raw material, iron ore.

全球大型钢铁厂商与其主要原材料铁矿石的供应商在价格问题上的艰苦谈判变得日趋激烈。

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We attribute this to rising paper prices, a key raw material.

FORBES: Higher Prices Still In The Cards For American Greetings

Apatite, a phosphate, is a key raw material of some fertilisers.

BBC: NEWS | Business | Metals boom sparks Kola nature fears

On the cost front too, we believe the company will continue to experience pressures despite the falling price of guar gum, a key raw material used in hydraulic fracturing.

FORBES: Baker Hughes Earnings: What We're Watching