1. In the vicinity of metal parts, do not bend the pipe excessively, so that it can be used in the state of quarterly bending;
2. Do not roll hoses with vehicles or other heavy loads;
3. Do not touch the hose directly or close to the place with open fire.
4. Do not use non-food PVC hoses in food processing or food products, water and washing;
5. When the hose is applied to powder and particle, the bending radius should be enlarged as much as possible to reduce the wear of the hose.