What simple machines were used in ancient china?

In ancient China, several simple machines were utilized, including the lever, pulley, wheel and axle, inclined plane, and screw. These machines were fundamental in various applications, such as construction, agriculture, and transportation. For instance, levers and pulleys helped in lifting heavy stones for building, while the wheel and axle facilitated trade and movement of goods. The ingenuity of these simple machines contributed to advancements in Chinese technology and engineering.