Engineering Design Light Textile Industry (Light Engineering), Class AEngineering Design Light Textile Industry (Textile Engineering), Class AEngineering Design Construction Industry (Construction) Class AEngineering Design, Municipal Industry, Thermal Engineering, Class AEngineering Design Chemical Petrochemical Pharmaceutical Industry Chemical Engineering Specialty Class AEngineering Design, Building Materials Industry, Glass, Ceramics, Refractory Engineering, Class AEngineering Design, Agriculture and Forestry Industry, Forest Products, Chemical Engineering, Grade AEngineering Design Environmental Engineering Special (Water Pollution Control Engineering), Class A
Design of pressure pipeline Long distance pipeline GA2Engineering Design Metallurgical Industry Metal Material Engineering Class BEngineering Design Metallurgical Industry Metal Smelting Engineering Specialty Grade BEngineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Design Construction Industry (Construction Engineering) Class BPressure piping design Utility piping Class GB2Pressure Piping Design Industrial Piping Class GC2Grade B pre-evaluation of buildings
Engineering Design Machinery Industry Special Equipment Manufacturing Engineering Specialty Class AElectrical and mechanical engineering construction general contracting IIEnvironmental protection engineering professional contracting secondaryEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Design Metallurgical Industry Coking and Refractory Engineering Class BEngineering Design Metallurgical Industry Metal Material Engineering Class BEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design Environmental Engineering Special (Water Pollution Control Engineering) Class B
Electrical and mechanical engineering construction general contracting IIEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design Metallurgical Industry Metal Smelting Engineering Specialty Grade BEngineering Design Metallurgical Industry Metal Material Engineering Class BBuilding Grade BMetallurgy (including iron and steel, non-ferrous metallurgy) Class B pre-evaluationMachinery (including intelligent manufacturing) Class BConstruction Safety Production Permit
Engineering Design Metallurgical Industry Metal Smelting Engineering Specialty Grade BEngineering Design Metallurgical Industry Metal Material Engineering Class BEngineering Design Metallurgical Industry Metallurgical Mine Engineering Class BEngineering Design Special Grade B for Light Steel Structure EngineeringEngineering Supervision, Housing Construction Engineering, Grade AEngineering Supervision, Municipal Public Works, Grade BEngineering Supervision, Smelting Engineering, Grade BGrade B pre-evaluation of buildings
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