本企业一贯重视品牌培育，慧慧牌纯涤纶纱线已经通过了ISO 9001质量体系认证。
This business has always attached importance to fostering brand, Huihui licensing pure polyester yarn has passed the ISO9001 quality system certification.
本企业一贯重视品牌培育，慧慧牌纯涤纶纱线已经通过了ISO 9001质量体系认证。
This business has always attached importance to fostering brand, Huihui licensing pure polyester yarn has passed the ISO9001 quality system certification.
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