The supplier sends their sample to the quarantine bureau. We refuse to receive the unqualified raw material until he can offer the qualified one.

接受供货商第一次送货同时送检（卫生防疫站）。原料检测不合格者，拒收其提供的原料，直到他能够提供经检测合格的原料为止。

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Unshaped active carbon produced through water steaming method with qualified coal as raw material. The products of these are easy in reproduction and strong against pressing.

以优质煤为原料，用水蒸汽法生产的不定型活性炭，具有一定抗压强度，易再生。

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All the raw material comes from qualified supplier.

所有原材料均来自于优质供应商。

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