Expand the world

Earthnium Co., Ltd. is a coined word from "Earth" and "Nium".

As a trading company, Earthnium Co., Ltd. imports and exports products from all over the world, and also plans, manufactures, and sells original products.

Our mission is to build a prosperous future for people around the world by bringing truly good products to the market.

Earthnium's solutions for tomorrow


We import and sell products with superior outdoor brands in Europe and the United States. We also focus on creating market trends by discovering and developing excellent brands that are not well known in Japan.


We mainly develop original products for travel and leisure goods as the original brand “Solo Sapiens”. Our strength is the ability of planning. We take on the challenge of selling new and functional products. We respond to the needs of the users with direct communication.


We import directly from overseas and sell items that enrich our lives; toys, board games, eSports hardwares, hobby goods, and daily sundries. In particular, we introduce and propose popular products such as board games made in Germany, and game controllers made in the U.S. to the Japanese market.


We are aiming to develop our business by utilizing our related chemical plant in the biomass-chemical field. We are engaged in the research and development, manufacture and sale, and import/export of chemicals, cosmetics, and other products that contribute to the sustainability of the Earth.l contribute to the sustainability of the earth.

Our brands