I had already paid 2 of 4 payments with Paypal when I received the items I had purchased. They were not what I ordered. In the meantime the 3rd payment had been made by Paypal. I notified Paypal and told them I had not received the items. In the meantime, the Chinese supplier had promised a refund if I returned the items at my own expense (in excess of $80). During a search online I found a talk site with an extremely large number of complaints, similar to mine, re this company, telling customers not to buy, and not to send the items back as you never received any refund or replacement. They also said the retailer promised gift certificates etc. instead of replacement, but they rarely arrived. I received these offers and was also asked by the retailer to lie about the value so they would not have to pay duty on the returns. I reported this to Paypal and instructed that no further payments be made.
At the same time my credit card was reissued with a new number (no connection to this situation). Paypal sent me details of the payments they had already made and I found the payments had not been made to the company I bought from, but to another company. The name of this company was in Chinese characters. They told me that their contract was with the Chinese comany, not the online company supposedly operating from Australia. Paypal offered me a credit for $100 and asked that I make the 4th payment. I would have been out of pocket for in excess of $100. The matter has not progressed. Buyer beware.