With the fields of application broadening, the demand for collagen is growing, especially that for the high additional-value products.

随着胶原蛋白应用领域的不断拓展，胶原蛋白的需求不断增长，尤其是高附加值的产品。

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Requests on product quality become higher and higher with application fields of plastic injection molding products change.

随着注塑产品应用范围的变化，对产品质量的要求也越来越高。

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This paper introduces some new types of fiber used to produce nonwoven products, these fibers will expand the application fields fully.

介绍了可用于非织造产品，并可充分拓宽其应用领域的新型纤维。

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