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       First, all the products, users buy and receive goods, if the wrong order or inconsistent with the intent of the original purchase, not unsealed packaging, can return without conditions or redemption of other products. 

       Second, gas, liquid column, users receive the product within two weeks, if not satisfied with the application of the column, just to provide reasonable grounds (and attached chromatography conditions chromatogram), think of Seiko Spectrum Promises to refund the whole, exchange or other models, style column. 

      Third, gas, liquid column, even if the user due to the stigma caused by improper use of plug, pollution or other damage (to the column or the natural life User column so that the improper use of irreversible damage to the two cases except), Thinking Seiko Spectrum is committed to free maintenance in order to lift the user to worry about.