Translation of "Limited" in Chinese

Our company is a limited-liability company.

我们公司是有限公司。

In towns, speed is limited to 50 km/h.

在市区内，数度被限制在每小时五十公里以内。

- The number of students in the class is limited to fifteen.
- The number of students in this class is limited to 15.
- The number of students in this class is limited to fifteen.

这个班学生人数的上限是15。