What qualifications and qualifications are needed for special door bidding

Need to comply with the regulations. Special door bidding need to comply with the provisions of the qualifications and qualifications, in line with the provisions of Article 22 of the "Chinese People's **** and the State Government Procurement Law", the registered business projects related to the content of the procurement, and have the ability to provide the procurement project of the supplier. Specialty doors are doors and windows with special purposes compared with ordinary doors and windows. Including fire doors, radiation doors, human defense doors, soundproof doors, anti-theft doors, explosion-proof doors, smoke-proof doors, dust-proof doors, tornado resistant doors, shockwave resistant doors, shock-resistant doors and so on.