industrial duct cleaning robot with smart vacuum rotary cleaner machine

1. Warranty: one year for main machine, excluding easily wear parts. During this period, in case of damage or breakdown, we will repair to replace spare part freely, while the buyer should bear overseas freight.

2. Spare Parts: Most of our spare parts are compatible with international standard. While, we offer spare parts all year round at cost price for our former clients.

3. Operation and Maintenance: We will offer you detailed operation manual, ensuring you can use it perfectly.

4. Online Service: Your question will be answer within 24 hours during working days, 48 hours during holiday.