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Energy Management System Certification Certificate
Occupational Health and Safety Management System Certification Certificate
Environmental Management System Certification
quality management system certification
Computer software copyright registration certificate
Advanced unit
Excellent Organization Award
AAA credit enterprise
Top ten enterprises in industrial development
Advanced collective
Civilized and honest private enterprise
Dongying City excellent science and technology enterprises
Dongying City tax outstanding contribution enterprises
Safety production standardization secondary enterprises
Safety production standardization level three enterprises
certificate
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