Expert Insights: Using Superbuy’s Spreadsheet for Pinduoduo Purchases Q: As an experienced buyer, how do you leverage Superbuy’s proxy shopping mall for sourcing products? A: Superbuy’s proxy shopping mall is a game-changer for international buyers.… Mastering Pinduoduo Purchases: A Buyer’s Guide to Superbuy Spreadsheets for Etnies Partywear