Apple Inc purchases raw materials from various sources then get them shipped to an assembling plant in China. From there, assembler will ship products directly to consumers (via UPS/Fedex) for those who buy from the Apple's Online Store. For other distribution channels such as retail stores, direct sales and other distributors, Apple Inc will keep products at Elk Grove, California (where central warehouse and call center are located) and supply products from there. At the end of product's life, customer can send products back to the nearest Apple Stores or dedicated recycling facilities.