Guarantee instruction
1. All products are strictly tested before sale. We can guarantee one-year free repair from the date of purchasing. (some special offer depends on the situation)During the guarantee period, we will repair  the machine by sending replacement parts free if the malfunction is caused by the quality of our product.
2. The standard of operation and environment should comply with the product specification.
3. Malfunctions caused by the following reasons are out of the scope of our guarantee:
    a. Malfunctions caused by abused operation
    b. Malfunctions caused by other artificial factors like move or tear down in proper motion, or collision, etc.
    c. Energy reduce caused by wet environment and dust
    d. Malfunction caused by uncontrollable natural force
    e. Spare parts and accessories of this machine.