Поскольку Вы ничего не упомянули о

Поскольку Вы ничего не упомянули о гарантийном сроке, который обычно предоставляется при поставки машин, мы хотим указать, что просим дать двухгодичный срок гарантии, в течение которого Вы обязаны выполнять любые ремонтные работы бесплатно.
Мы будем рады, если Вы известите нас о получении нашего заказа и Вашем мнении о наших условиях.
С уважением,

Результаты (английский) 1:

Since you did not mentioned the warranty expiration, which normally subject to supply machines, we want to point out that, write the two-year guarantee period, during which you are obligated to perform any repairs free of charge.We will be happy if you inform us about getting our order and your opinion about our conditions.With respect,

Результаты (английский) 2:

Since you did not mentioned the warranty period, which is usually supplied with the delivery of machines, we want to point out that write the two-year warranty, during which you are obliged to carry out any repairs free of charge.
We will be glad if you notify us of the receipt of our order and your opinion about our situation.
Sincerely,

Результаты (английский) 3:

Since you did not mentioned the warranty time period, which is typically when the machines, we want to point out that we ask to give the warranty period,In which you are obliged to carry out any repairs at no charge.
we will be pleased, if you notify us of our receipt of your order and your views on our terms.
with respect,