PingPong is working with Morgan Stanley, Goldman Sachs, and Citic Securities on a listing that could happen as soon as 2022. The firm had previously considered a listing in mainland China. PingPong is also seeking about USD 300 million in a pre-IPO private funding round. It is currently valued at about USD 5 billion. Founded in 2015, PingPong collects payments for Chinese exporters selling through services such as Amazon.com, Shopify, and Shopee, a unit of Singapore’s Sea, its website shows. PingPong is used by more than a million merchants for cross-border, value-added tax, and supplier payments, according to the website....