Aucfan Co.

Aucfan Co., Ltd. (TSE: 3674) is a publicly listed Japanese e-commerce solutions company founded in June 2007 and headquartered in Shinagawa, Tokyo. The company was established as a spin-off of Defactostandard, Ltd., and operates Japan's largest online auction price analytics and search platform (aucfan.com), which aggregates e-commerce price data across American, Chinese, and Japanese auction and marketplace platforms. Aucfan provides comprehensive e-commerce support solutions for small and medium-sized enterprises through three business segments: Solution Business (multi-channel shop management systems, inventory optimization), Platform Business (B2B wholesale marketplace NETSEA — the largest online B2B wholesale mall in Japan, formerly managed by DeNA), and Incubation Business. The company went public on TSE Mothers in April 2013. In recent years, Aucfan has expanded into China through a subsidiary in Hainan and a strategic partnership with Zhejiang China Commodities City Group, and transitioned toward a D2X Commerce model in 2025 with proprietary brands AP LAB and KACHIKA leveraging Chinese manufacturing.