Metal doors and windows of the three qualifications in the 4000 square meters refers to the building area or doors and windows area?
Is the area of the doors and windows area, or else specifically in the metal doors and windows three qualified business requirements inside
1.14 doors and below the building of the metal doors and windows works;
????? 2. Area of 4000 square meters and below the metal doors and windows works.
Three enterprises: the amount of individual contract can not bear more than 5 times the registered capital of the following aluminum alloy, steel and other metal doors and windows construction of the project:
