Belonging to one of the following circumstances, not be practiced in three Commitment,  need charge the maintenance fees

1.past the validity time of the three Commitment .
2.Damage products didn`t according to requirement of the brochures when Using ,maintencing ,custoding this product .
3.Demolition not due to repair by our maintance staff
4.Without a valid certificate of aftersales service,a and  didn`t in the validity time of three commitment
5.damage caused by the use of pirated software.
6.Damage caused by the virus when using the products
7.Damage caused by force majeure.
Dear customer, with your vendors to fill in the following information so that we can provide comprehensive after-sales service, thank you!

Description:

1.In order to better enjoy our after-sales after purchase our products please enter into our service center in time .
2.For the site of  after-sales service, please visit our Web site to inquiry
3.you should be responsible for data security. So as to avoid unnecessary losses caused by you please properly remove the hard disk to back up data before the warranty . We are not in charger of the lost or damaged for the data,procedure and removable storage medium.

"Three commitance"

1.return commitance： users purchase the product during the validity time of three commitance  ,7 days  after sales ,If the product damaged caused by non-human operation,the consumer can  return, change or repair it .
2.change commitance：users purchase the product during the validity time of three commitance  ,8-15 days  after sales , If the product damaged caused by non-human operation,the consumer can  choose to change or repair it .
3.repair commitance：users purchase the product during the validity time of three commitance  ,during 3 years  after sales , If the product damaged caused by product performance,the consumer can  enjoy one year commit repair free of charge ,from the second or third year,we only demand the cost of the  components .

Noted(repair commitance) : the first year : display, keyboard, mouse, CD-ROM, the other expansion card ; the second year: motherboards, power supplies; the third year: hard disk, CPU, memory.