We found that the 5920TO stairway has instability. When the wind is strong or people are shaking on the corner platform, maybe we need to take some measures to solve this problem. Can you coordinate with JZ and solve this problem? thanks
We found that the 5920to stairway is unstable. When the wind is strong or people shake on the corner platform, maybe we need to take some measures to solve this problem. Can you coordinate with JZ and solve this problem? thank you<BR>
We found that 5920TO stairway is unstable. Maybe we need to take some measures to solve this problem when the wind is strong or people shake on the corner platform. Can you coordinate with JZ and solve this problem? thank you