The ETFE membrane structure has a novel and unique architectural shape, and is currently being widely promoted and applied at home and abroad. The playground of Tongren Middle School in Guizhou uses ETFE membrane structure to make a large-span roof.

The reason for using the ETFE membrane material is that with the development of membrane structure, the thermal insulation performance has been greatly improved in the case of large spans, and a flexible roof with translucent, sufficient light and good thermal insulation has become a reality.

Moreover, this strong, durable, and flexible new material does not require additional beams, but can shield strong light.

The lightweight surface material and the few steel materials make the project economical and convenient and flexible in construction. Because the ETFE material is flexible and transparent, The roof is naturally friendly and quite advanced in style.