Enterprise Aptitude

Contract Aptitude of Special Class In Railway Engineering  Construction

Contract Aptitude of The Ｎo．１ Class In　Building　 Construction  Engineering

Contract Aptitude of The Ｎo．１ Class In Highway GHWAY Engineering  Construction

Contract Aptitude of The Ｎo．１ Class In Wate  Construction And  Hydraulic　Projects Construction

Contract Aptitude of The Ｎo．１ Class In  Municipal And Public Utilities　 Projects Construction

Contract Aptitude of The Ｎo．１ Class In Communication Projects Construction

Contract Aptitude of The Ｎo．１ Class in Environment Protecting  Engineering Projects

Professional Contract Aptitude of The Ｎo．１ Class In  Bridge Projects

Professional Aptitude of The Ｎo．１ Class In Tunnel Construction

Of Ｒail and Ｂridge Ｅrecting of The Ｎo．１ Class In Laying and Racking    P  Rrojects of   railway

Professional Professional Contract Aptitude of The Ｎo．１ Class In Railway Electrification