求翻译：按规定渠道进行兴奋剂的国内销售。严格审查购买方资质，产品只能销往具有合法资质具有相关品种药品批准证明文件的药品生产企业。是什么意思？

The prescribed channels stimulants domestic sales. Critical review of the qualifications of the purchaser, the product can only be sold to pharmaceutical production enterprises with related varieties of the drug approval documents with a legal qualification.

According to the channel doping domestic sales. Strict party funding review purchase quality, the product can only be sold to a legal qualification with a related species of the drug approval documents production of pharmaceutical products.

According to stipulated the channel carries on the stimulant the domestic sale.The strict examination buys the buyer intelligence, the product only can sell to has the legitimate intelligence to have the correlation variety drugs to authorize the certificate document the drugs production enterprise.

Domestic sales channels as required for the purposes of doping. Rigorous review of the buyer qualification, products can only be sold with a legal proof of qualification with the approval of related varieties of drug manufacturers.

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