1, practice to the product of our company the whole life responsible for system, provide the technique support forever with technique serve. 

2, practice the quantity to the product three packs of, protect quality period as Five years. 

3, free to need the square engineering the technical personnel the usage of the product, maintenance and general the breakdown handles the etc. aspect proceed the training.

 4, the free the spot guides the gearing adjusts to try.( receive to need the square formal circular can arrive the spot in 48 hours) 

5, periodical proceed back to visit to customers with the technique exchanges. 

6, have the initiative to provide the product to the item customer to support with the technique. 

7, provide the product application data.