Who We Are

MJ Mall is an e-commerce platform specializing in Japanese Mahjong products, founded by EC Laboratory Inc., a Tokyo-based company with expertise in e-commerce operations.

In 2024, we expanded our presence to San Francisco and began operating MJ Mall as a dedicated online store for Mahjong enthusiasts.

MJ Mall is run by passionate Mahjong players from Japan. As players ourselves, we actively use AMOS Mahjong tables and products, and we are committed to sharing not only the quality of AMOS products but also the unique appeal of Japanese Riichi Mahjong with players around the world.

[Folding type] AMOS JP-EX COLOR Automatic Mahjong Table for Home Use.

What We Offer

MJ Mall offers a wide range of Mahjong-related products, including automatic Mahjong tables, and provides full English-language support—so you never need to worry about communicating with Japanese manufacturers or navigating language barriers.

We serve customers not only in the United States, but worldwide, delivering authentic Japanese Mahjong products directly from Japan.

MJ Mall is committed to supporting the growth of Mahjong culture globally while providing trusted, high-quality products from Japan.

Our Featured Products


At MJ MALL, we proudly focus on mahjong tables from AMOS, a leading Japanese brand renowned for its quality and reliability. With over 35 years of sales history and more than 90,000 units sold, AMOS is one of the most established mahjong table manufacturers in Japan.Japan’s Most Trusted BrandKnown for their exceptional durability and performance, AMOS mahjong tables are widely used across Japan — from casual home players to professional mahjong tournaments.We are committed to bringing these authentic, high-quality tables to customers in the U.S. as official products you can trust and enjoy.

  • WELL TRUSTED
    Over 100k customers
  • SUPER FAST
    With Express delivery
  • EXPERT HELP
    Seven days a week
  • BEST PRICES
    Unbeatable value