Online purchase: You can search for Petrhein pet products through e-commerce platforms (such as Taobao, JD.com, Tmall, etc.) to see if there are related sales pages. These platforms usually provide a rich selection of products and convenient purchasing methods.

Pet stores: You can go to your local pet store or pet supermarket and ask if they sell Petrhein pet products. Some large pet stores may have multiple brands of pet supplies to choose from.

Brand official website or official flagship store: Some brands will set up their own official website or online store. You can directly visit Petrhein’s official website or official flagship store to view and purchase their products.