(Take the retractable stands of leading stadiums as an example)

1. Chair surface and backrest: hollow folding seat before blow molding, made of high-density polyethylene (HDPE), double-wall blow molding structure, thickened design, stylish and beautiful arm thickness of 4mm, ergonomic, and passed the fire test and flame retardant test.

2. Production technology of telescopic support: point stepless frequency conversion and multi-point wall thickness control technology are adopted to ensure that the overall mold of the product is uniform and the texture is smoother and softer.

3. The seat is folded by gravity, which is simple and easy to operate, very safe, and will not be damaged by the audience, which can effectively avoid potential safety hazards.