Well-known brand elevator without machine room also could lower the noise and improve the space use rate.

无机房品牌电梯，降低室内噪音，提高了空间使用率。

youdao

Well-known brand elevator without machine room also could lower the noise and improve the space use rate.

无机房品牌电梯，降低室内噪音，提高了空间使用率。

youdao