Global B2B E-commerce Market Size, Share, Statistics Analysis Report By Product Type (Home & Kitchen, Consumer Electronics, Industrial & Science, Healthcare, Clothing, Beauty & Personal Care, Sports Apparel, Books & Stationery, Automotive, Other Product Types), By Deployment (Supplier-Oriented, Buyer-Oriented, Intermediary-Oriented), By Platform (Direct Sales, Marketplace Sales), Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034