If you need our assistance, please let us to know. If you see that the package that courier tries to deliver is damaged, please fill up the claim form or do not accept it.NOTIFY US right away, we will arrange a replacement/reimburse your order A. This option works 30 days after the customer manager support contacted you. Items that are sent in vacum or lubricated film cannot be opened if the retuns is issued. Please let us to know if you have not received our feedback, we will give feedback manually.