The track-and-field ground of Shucheng County Qianrenqiao middle school laid by CNSPORTS has obtained the second class certification of the track and Field Association of China.

Qianrenqiao middle school was founded in 1958. During the development process of more than half a century, it has created another brilliant in the history of Shucheng education. 

The CNSPORTS mixed PU track laid by Shucheng County Qianrenqiao middle school is composed of three layers: 

①base primer:polyurethane composite and elastic particles are mixed in a certain proportion, evenly stirred and paved on site to form a bottom layer with a thickness of 8-9mm.

②strengthened layer:the polyurethane composite with higher purity is paved on site to form a strengthened layer with a thickness of 2-3mm.

③Top layer:spray particles, Elastic particles with higher strength, higher polymer content and better wear resistance are used and evenly scattered on the strengthened layer to form a pure particle surface layer with a thickness of 2-3mm.