
| Electromechanical equipment installation • Production process equipment installation • Installation of utility equipment | 
| Electrical engineering • 35KV below power supply and distribution works • Equipment power distribution engineering • Lighting and lighting engineering • Grounding system | 
| Air conditioning and ventilation engineering • Clean air conditioning system • Comfort air conditioning system • Exhaust system • Laboratory fume hood system • Air conditioning automatic control system • Industrial and civil central air conditioning | 
| Pipeline engineering • Water supply and drainage pipeline project • Refrigeration and heating pipeline project • Steam pipeline engineering • Compressed air pipeline project • Special gas pipeline project • High purity gas pipeline project • Pipeline engineering for purified water and process materials • Chemical fluid pipeline engineering | 
 
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