欧美大鸡巴操小骚逼视频 ,97caobb,人人妻人人澡人人爽欧洲一区九九

Electromechanical General Contracting Project

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

<< Return

Service Range

Electromechanical General Contracting Project Clean Engineering Intelligent Engineering Decoration and Decoration Engineering Construction General Contracting Project Fire Facilities Engineering Environmental Engineering Facilities Operation and Management

Message

Recruitment

Culture

亚洲蜜臀av乱码久久精品蜜桃,天天爱天天射天天舔,日本淫乱人妻视屏,中文殴美一区