NYPoPo is a Chinese mailing service located on 8th Avenue that has received mixed reviews from customers. The staff at NYPoPo are described as "way too nice" and have a "very good customer service attitude," patiently explaining the services to customers. The business has been operating for over two years, and many customers have been satisfied with the timely delivery of their packages to destinations like Fuzhou. However, some customers have reported issues with lost items or delays in delivery, though the business has attributed these to the high volume of shipments. Overall, NYPoPo seems to provide a reliable mailing service, with fast express delivery, though customers may encounter occasional challenges with lost or delayed packages.