Kindergarten indoor kids montessori teaching aids educational wooden toy for sale

        The plastic plate parts are made of PE plastic plate and carved by computer. The plastic parts are made of imported LLDPE rotomolding materials and are formed by rotational molding, which meets the requirements of GB/T 4454-1996. The plastic wall thickness is more than 6mm. The iron parts are all made of national standard steel. The welding adopts argon arc welding and CO2 gas shielded welding (according to the requirements of GB/T8810-1995). After the whole processing and forming, after phosphating and sandblasting by professional technicians, the surface is sprayed again with DuPont outdoor. Environmentally friendly polyester powder, high temperature curing, smooth surface, strong anti-ultraviolet light, bright color, not easy to fall off, corrosion resistant.