EcouApp is an immersive voice-based social app. By eliminating cumbersome, noisy features, EcouApp helps users express their emotions through the most authentic form of communication, presenting a genuine, engaging, and welcoming social experience that continually meets young people's aspirations.

Hong Kong Yinli Network Technology Limited engages in technology development and technical services in the field of network technology; organizes approved cultural and artistic exchange activities; conducts commercial internet cultural activities; operates telecommunications services; develops online games (business activities requiring approval may be conducted only after approval is obtained); builds and maintains websites; develops and sells computer hardware and software; provides marketing planning, cultural and artistic exchange event planning, stage design, film and television planning, animation design, advertising design, production, agency, and publishing services; provides corporate identity design, conference and exhibition services, and graphic design; sells computer auxiliary equipment, hardware and electrical products, daily necessities, and arts and crafts (excluding ivory and ivory products); provides ticketing agency, travel information consulting, corporate marketing planning, personal image planning, business information consulting, and corporate management consulting services. (Projects subject to approval according to law may be carried out only after approval by the relevant authorities.)