What should I do if we are not able to operate the machine when we receive it?

What should I do if we are not able to operate the machine when we receive it?

What should I do if we are not able to operate the machine when we receive it?
Operation manual and video demonstration sent along with the machine to give instructions. Besides,we provide on line video chat support . we have professional after-sale group to customer 's site to solve any problems.Major overseas sales team members have a certain technical background and can quickly understand customer needs and after-sales technical issues. Provide professional services and support to overseas customers.