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training and consultationctt-shenzhen-cnas certificate（17020）2021-04-27details training and consultationctt-shenzhen-cnas certificate（17020）2021-04-27details training and consultationctt-fujian-cnas certificate（17025）2021-04-27details training and consultationctt-zhejiang-cnas certificate（17025）2021-04-27details training and consultationctt-guangdong-cnas certificate（17025）2021-04-27details training and consultationctt-guangdong-cnas certificate（17020）2021-04-27details
