How to identify the advantages and disadvantages of recreational equipment

Now there are a lot of children's play equipment, then children's play equipment in the identification of the time to pay attention to what matters? How to identify it?
1, fake and shoddy new type of play equipment usually has no quality inspection certificate, the security of the lack of effective protection;
2, and, most of the new type of recreational equipment materials used is inferior material, through the quality of the material to be able to check the quality of the material can be resolved;
3, the majority of fake and shoddy products lack of protection, do not buy products without the guarantee can be purchased on the surface of these fake and shoddy equipment.