MSDS:

After-sales:

 1.You can call the service hotline or go to the website to complaint& proposal.

  2.We have 2‰ spare parts to you, if there are not enough because ofquality problems, please go to our website to proposal and note it,also send back the failure products to us, we will add to morespare parts to you in the next order.

Looking forward to do longterm business with esteemed company !