Four forms should be filled in to install the elevator, and the owner agrees and signs the same as the name on the real estate license. Submit a copy of the owner's real estate license, from the first page to the last page. Submit a copy of the business real estate license and sign each page. The fingerprint signature should be the same as the name on the real estate license.

Conceptual design scheme of elevator installation, copy of ID card of owner's representative and copy of house ownership certificate, and solicit opinions from elevator installation owners.