Watch soybean milk powder first to see the date of production, and then open to see if each sachet is not lumps, to see if the fineness of the powder is not uniform, because the soybean milk powder is not only soybean powder, there is also the smell of vegetable oil and milk powder, so it smells like a very fragrant feeling, generally if there is no difference, including leakage, dampness In addition to these can be assured of the use of the

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