We burn in all gears
for more than 100 hours and check several times before shipping, to
make sure that our products have a good quality control.
First year repair guarantee:
If the gears have any
problems (manufacturing defects and which is not caused by the
user), customers can ship back the gears, we will refund the shipping
cost (customers must submit the shipping bill following which we will
reimburse the amount to customers, please note that we will only
refund shipping cost equal to what the customer had initially paid us
for shipping the gears to them when placing the order , and the refund only
valid with the original customer). We will repair the
defective gears for free and then ship back to customers, we
will cover the full shipping cost shipping back to the
If the gears have not any problems but customers had shipping
back, we don't cover any shipping cost, and the customers want
to pay the shipping cost for shipping back to them.
If the gears have fault while customers just
received within 15 days and we check it is had fault , we will
cover shipping cost of the gears shipping back to China,
and shipping a band new unit to the customers . The fault unit
will repair and sale in used market.
If the gears have any problems while customers just
received within 15 days and we check it is had not fault in
fact, we don't cover any shipping cost, and return the
unit's price to customers (not include any shipping cost) but don't shipping the unit
shipping back gears must pack with the original pack box and foams
, otherwise if damage during shipping we
don't cover the repair charge.
We will test the shipping back gears based on the world
standard or the AP SYS-2722 , we will trustily to report
the issue to customers .
After the completion of First year Repair guarantee :
If the gears
have any problems (manufacturing defects and which is not caused by
the user), in this case, the customers only pay for both ways (to and
fro) shipping costs ,the replace parts' cost and repair labor charges.
User inflicted problem repair guarantee:
pay for both ways (to and fro) shipping ,the cost of parts and labor charges.
If you have any
inquiries, please send email to
We will reply as
soon as possible.