1. Inflatable combo products must be tested, and provide the test report. The test need to follow the national special equipment and rules. Inflatable combo maximum using life should be based on test data to determine.
2. Material of inflatable combo should be natural rubber or mixture synthetic rubber, these material is suitable for inflatable combo, what is more, inflatable combo manufacturer should provide material certification.
3. Inflatable combo manufacturer should provide inflatable combo certificate and instructions, the contents should include: inflatable combo length without play, the use of play and elongation range, breaking strength and elongation at break, the times of use, maintenance and storage requirements, date of manufacture, date of use and length of safety ropes.
4. For the high booucing, the maximum elongation of the inflatable combo shall be not less than 2.5 times of the unmounted length. And for anyother bouncing, the maximum elongation of the inflatable combo should not exceed the length of the unloaded 4 times.