Trang Vàng Việt Nam is a business directory and B2B connection platform designed to help users discover companies, manufacturers, importers, distributors, and service providers across Vietnam. Its searchable listings are organized into industry categories, making it easier to find suppliers and businesses in fields such as manufacturing, construction, transport, agriculture, food and beverages, chemicals, packaging, machinery, and telecommunications. The directory describes itself as covering 250,000 Vietnamese businesses and connecting companies with buyers and business partners.

Businesses can create a company listing free of charge to introduce their products and services to potential customers. Trang Vàng also offers paid advertising options that give businesses prominent placement in search results. In addition, it provides website design services, which the site describes as professional, customizable, and optimized for Google, with hosting included at no charge. The platform is operated by Công ty Cổ phần Công nghệ và Thông tin Doanh nghiệp Việt, with offices in Hanoi and Ho Chi Minh City.