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HANDAN SPECIAL CONTRIBUTION AWARD FOR RIGHTEOUS AND BRAVE WORK
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2023 HANDAN HARMONIOUS LABOR RELATIONS DEMONSTRATION UNIT
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Invention patent certificate
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Invention patent certificate
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Invention patent certificate
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Invention patent certificate
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Quality management system certification
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Hebei Provincial Industrial Enterprise R&D Institution Certificate
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Invention patent certificate
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OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEM CERTIFICATE
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Energy Management System Certification
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ENVIRONMENT MANAGEMENT SYSTEM CERTIFICATE