With the quality problems in processing of polyester DTY filament being considered, it is thoroughly analyzed that the factors such as POY raw filament, engineering, equipment and operation.

针对涤纶dty在生产加工过程中所产生的质量问题，分别对POY原丝、生产工艺、设备、操作等四大影响因素作了全面分析。

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Providing technical support for all raw material purchasing: filament, Polyester POY, FDY, DTY, monofilament, staple fiber, BCF yarn, spandex, AC yarn, spun yarn etc.

为所有原材料的采购提供技术支持和质量跟踪：长丝、POY, FDY、DTY，单丝、短线、膨体纱、氨纶、包覆纱、黏胶纱线等等。

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With downcast market situation for POY and DTY products, the innovations are having better prospects.

指出伴随着POY及其DTY产品市场的低迷状况，这一技术改造具有十分可观的前景。

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