5f4China kids amusement equipment factory-LONGLY PLAY 5f4China kids amusement equipment factory-LONGLY PLAY About spring5f4China kids amusement equipment factory-LONGLY PLAY The diameter of the spring is 2.6cm,very strong,can support not only the weight of children but also adults.5f4China kids amusement equipment factory-LONGLY PLAY 5f4China kids amusement equipment factory-LONGLY PLAY 5f4China kids amusement equipment factory-LONGLY PLAY Good packing5f4China kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.5f4China kids amusement equipment factory-LONGLY PLAY 5f4China kids amusement equipment factory-LONGLY PLAY Our factory5f4China kids amusement equipment factory-LONGLY PLAY 5f4China kids amusement equipment factory-LONGLY PLAY