Q:What is your delivery lead time?
A:Sample order :within 3-7 working days .
Bulk order : About 20-25 working days after receiving your advance payment.
Q:Do you test product before shipping?
A:Every Model We Test 100% Before Shipping,Test Video supply to every customer.
Q:What is the guarantee time?
A:For Controller,We Guarantee 6 month,Motor With 1 Year ,Battery 1 Year
Q:How can you prove your business credit and make my business safe?
A:You could use the Alibaba Trade Assurance for your payment, if the delivery is not match the contract, the Trade Assurance would be safe for your money.
Q:Can I add or delete items from my order if I change my mind
A:Yes, but you need to tell us asap. If your order has been done in our production line, we cannot change