blackbear elevator with taiwan’s famous host in shanghai to do public welfare actively participate in \”together to help do good mans\” sales for the cake
in recent years, with urban development, binzhou city elevator use volume increased significantly. but many citizens' knowledge of the elevator is very lack. the use of the elevator maintenance is how to provide? how long need to maintain the elevator?
"elevator i don't usually falling. even if the fall, also won't directly onto the ground, because the elevator also equipped with buffer device, elevator fall like fall to spring."
after 60 years of development, china's elevator industry elevator enterprises from scratch, from small scale production to become the world's biggest elevator manufacturing power and use of power. the elevator production ownership can reach one million m.