certification of professional qualification
certification of professional qualification
职业资格证书
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The factory with more than 20 professional technical research, the specificity of quality, quality certification qualification certificate, exhibition in products.
我厂20余载的专业技术研究，成就了专一的品质，品质验证资质，资质展于产品。
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