产品价格满意承诺产品价格不高于其他厂家，高则退差价的承诺。
Product price satisfaction pledge the product price is not higher than other factories, Gao Zetuithe price difference pledge.
产品价格满意承诺产品价格不高于其他厂家，高则退差价的承诺。
Product price satisfaction pledge the product price is not higher than other factories, Gao Zetuithe price difference pledge.
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