以下为句子列表：
英文: The concrete product type are the bakelite, the tire, the electric conduction black grain and the electric conduction printing ink and so on, we had developed several hundred types of specification in our product.
中文: 具体的产品种类有导电胶、导电片、导电黑粒和导电油墨等，各种规格的产品已达数百种之多。
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