Tianjin 359 Tongcheng is a locally focused information and service platform operated by Tianjin 359 Tongcheng Information Technology Co., Ltd. Its mission is to connect businesses and residents with practical services and opportunities across Tianjin. For companies, the platform features business registration, bookkeeping and tax filing, audit and valuation, legal and financial support, intellectual property services, website and app development, advertising, recruitment, and other commercial listings. Residents can browse or post information about property rentals and sales, shops, equipment hire, education, events, transport, food, travel, health, second-hand goods, and home services.

The platform also covers everyday needs such as cleaning, caregiving, moving, repairs, delivery, automotive services, and pet care. Users can publish requests, find local providers, explore categorized listings, and connect with prospective customers or partners. By bringing business services and community information together in one place, Tianjin 359 Tongcheng aims to support enterprise growth while making local services easier to discover and access.