The product family includes a considerable number of performance grades, and each grade has its own unique properties.

该产品系列包括众多性能相当的牌号，而每一牌号都有其独特的性能。

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Also on the product packaging innovation transformation, packaging grades gradually to the level of large and medium cities packaging tastes move closer.

产品包装上也不断革新改造，包装档次逐步向大中城市品味级包装靠拢。

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At present, Yili Prefecture folk tourism product development of small, low grades, poor packaging, and many resources have not yet been taken seriously and carefully developed.

目前，伊犁地区民俗旅游产品的开发品种少、档次低、包装差，许多资源尚未得到重视和认真开发。

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