青云翻译

The company has an installation of mechanical and electrical equipment, fire two, foundation and foundation engineering two, pressure piping gc2 level, building intelligent three, three chemical oil pipeline installation, architectural decoration and three, bearing equipment (repair, test ) power fa

Company has the mechanical and electrical equipment installation engineering, fire second class, secondary ground and foundation engineering, GC2-level pressure piping, building intelligent three-level, chemical and petroleum pipeline installation levels, three level building decoration, installatio

The company has the electromechanical device the installation work level, the fire prevention two level of, the ground and the foundation engineering two level of, the pressure piping GC2 level, the building intellectualization three level of, the chemical industry petroleum pipeline installs three

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Company has the mechanical and electrical equipment installation engineering, fire second class, secondary ground and foundation engineering, GC2-level pressure piping, building intelligent three-level, chemical and petroleum pipeline installation levels, three level building decoration, installatio