由于我们石头的品种众多，颜色不一。
Because of the variety of our stone, the color is different.
铁路货车生产品种众多，货车端墙结构形式各异。
Among the products of many varieties of the freight wagons, wagon end wall structure is different.
工艺娴熟，品种众多，产品质量品位高…具有较高的产品设计和新品开发能力。
Craft skill, the many varieties of products with high quality, high-grade... the product design and new product development capability.
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