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PDD Holdings operates commerce businesses globally. Its main operations are Pinduoduo, a social commerce platform in China, and Temu, a global e-commerce marketplace. PDD also has a community group purchase business in China. PDD has built a network of sourcing, logistics, and fulfillment capabilities that support its underlying businesses. PDD has also started its first-party brand business for global markets.

Founded in 1983, Costco Wholesale now operates a global chain of membership-based warehouse clubs, delivering high-quality goods and services at consistently low prices. As of its most recent fiscal year, Costco operated approximately 940 warehouses, serving more than 84 million members across its three geographic segments: Costco US (approximately 73% of total revenue), Costco Canada (13%), and Costco International (14%).Costco's core value proposition—quality products at unbeatable prices—has yielded consistently strong member renewal rates (92% in the US and Canada and nearly 90% internationally). About 55% of Costco's fiscal 2025 revenue came from its grocery offerings, and another 25% from general merchandise.