4399
4399 is a Chinese online game company known for its web-based casual mini-game platform and for developing and publishing web and mobile games.
Last updated September 15, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
4399 (full name Xiamen 4399 Network Co., Ltd.) is a mini-game company in mainland China founded in 2004, chaired by Luo Haijian, and known before 2012 as Xiamen Youjia Network Co., Ltd. Its main business covers web games (including casual mini-games), mobile network game development, publishing and operation, and the operation of an internet game platform. By 2019 it had developed into a comprehensive internet game company integrating web game and mobile network game development and publishing with game platform operation, headquartered in Xiamen with branches in Guangzhou, Beijing and Korea. Its official site presents a large portal of mini-games, web games, H5 games and cloud games.
History
4399 (full name Xiamen 4399 Network Co., Ltd.) is a mini-game company in mainland China founded in 2004. Before 2012 it was called Xiamen Youjia Network Co., Ltd. Its main business is web games (including casual mini-games), mobile network game development, publishing and operation, and the operation of an internet game platform. By 2019 it had developed into a comprehensive internet game company integrating web game and mobile network game development and publishing with game platform operation. It is headquartered in Xiamen and also has branches in Guangzhou, Beijing and Korea.
Products and positioning
Comprehensive internet game company integrating web game and mobile game development and publishing with game platform operation.
Web games (including casual mini-games)
Mobile network games
Internet game platform
Sources3 sources
Cite this profile: Cite the canonical profile. /brand-wiki/4399 · Editorial policy · How profiles are compiled