Material
1. Selection of fine national standard steel, in line with the standards of the National Sporting Goods Quality Testing Center.
2. Hardware parts after rust prevention, oil removal after spray paint powder, the use of high temperature electromagnetic paint baking process, strong rust resistance.
3. Environmental protection grade non-ferrous imported engineering plastics, made by vacuum rolling molding technology, anti-static and anti-ultraviolet components, bright color and lasting, smooth surface, safe and environmental protection.
Spring
The use of steel casting with high toughness, strong weighing capacity, ensure that the seesaw in the effective swing at the same time is not easy to deformation.The surface is sprayed with outdoor environment-friendly polyester powder coating, safe and environment-friendly, anti-ultraviolet, bright color, not easy to rust, not easy to fall off, as time goes by.