Dolphin Zh itou (海豚智投) is a professional intelligent advertising and promotion platform developed by Harbin Xiyou Technology Co., Ltd. The company focuses on e-commerce product development and marketing solutions, and the platform is designed to help merchants manage and monitor advertising campaigns on WeChat Channels. According to the company, it has served more than 100,000 small and medium-sized e-commerce businesses, supporting more efficient promotion and improving advertising performance.

The service combines multi-account management with campaign planning, intelligent traffic promotion and automatic campaign shutdown. Users can monitor data, view analytics, track orders and manage video content, while real-time alerts flag sales surges, unusual activity, expired items and account disconnections. Team tools support account aggregation, department and employee management, permission allocation, grouping and activity logs. Dolphin Zh itou also offers customer support seven days a week for up to 14 hours daily, dedicated six-person service groups and knowledge-sharing sessions. The platform provides pricing plans, registration and a free trial for prospective users.