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On Dec. 9th to10th, 2023, our company has passed the spot accreditation of reference material producers ISO/IEC 17034 by China National Accreditation Service for Conformity Assessment.
last：On march 15th, 2023，Shandong Zhongbiao Qixin Testing Technology Co., Ltd. approved as a technology-based small and medium-sized enterprise.
next：沒(méi)有了!
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