(1) Registration Certification
(2) License form the Ministry of Construction
(3) License of Foreign Economic Cooperation form the Ministry of Commerce
(4) Qualification of Grade A for Economic Aid Projects
(5) License for Import & Export
(6) Qualification of Safety
(7) Credit Rating Certification
(8) Certification of Faith & Credit Enterprise
(9) Certification of Conformity of Occupational Health and Safety Management System