Cayin products are represented and offered by its Authorized International Distributors and Dealers. Any products sold via authorized Distributors or Dealers are covered by Cayin's warranty. The warranty is for the sole benefit of the original purchaser of the covered product. 

If there were any service issues please get contact with your local authorized Distributor or Dealer. If case you want to get contact with Cayin Directly please send your inquiries to service@cayin.cn.