The wrapped yarn of polyester and spandex takes polyester filament as outer wrapping fiber and spandex as core fiber.
涤氨包缠纱是一种以涤纶长丝为外包纤维，氨纶长丝为芯线的氨纶弹力纱。
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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