Sourcing is the process of finding suppliers of goods or services.

Injection molding is a manufacturing process for producing parts by injecting material into a mold. wikipedia.org

Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production. wikipedia.org

Drop shipping is a supply chain management technique in which the retailer does not keep goods in stock, but instead transfers customer orders and shipment details to either the manufacturer or a wholesaler, who then ships the goods directly to the customer. wikipedia.org

Alibaba Group Holding Limited is a Chinese e-commerce company that provides consumer-to-consumer, business-to-consumer and business-to-business sales services via web portals. wikipedia.org

Purchasing refers to a business or organization attempting for acquiring goods or services to accomplish the goals of the enterprise. Purchasing managers guide the organization's acquisition procedures and standards. wikipedia.org

Procurement is the act of finding, acquiring, buying goods, services or works from an external source, often via a tendering or competitive bidding process. wikipedia.org

Supply chain management (SCM) is the management of a network of interconnected businesses involved in the ultimate provision of product and service packages required by end customers. wikipedia.org