Sanoyasu Entec Co., Ltd.

Our company was founded in October 1925 (Taisho 14) as a business engaged in the design and construction of heating and cooling equipment, during the dawn of Japan's plumbing industry.

Founded as Yamada Construction by Fumiji Yamada (Tosabori Street, Nishi-ku, Osaka City)

Organizational change to Yamada Industrial Co., Ltd. (establishment and registration)

Environmental equipment business launched

In April 1959 (Showa 34), we established an environmental equipment division and started manufacturing and selling the 'YAMADA-style pretreatment device'. We also have a track record in fields such as domestic wastewater treatment facilities, sludge recycling treatment facilities, public water and sewerage facilities, community drainage treatment facilities, and final disposal site leachate treatment facilities.

Development of rotary drum screen

Development of screw press, launched as pre-treatment equipment

Tokyo branch opened

Fukuoka branch opened

Joined Sanoyasu Group

In October 1984 (Showa 59), we joined the 'Sanoyasu Group'.

Medical waste disposal equipment business launched

Since February 2000 (Heisei 12), we have expanded into the medical waste treatment equipment business. Our 'Infectious Waste Sterilization and Crushing Equipment' has received high praise from users including comprehensive medical facilities and major hospitals.

Demonstration operation of high-load membrane separation denitrification process for night soil treatment facilities (including sewage sludge) and performance verification by Japan Environmental Hygiene Center: Commercialization of high-load membrane separation denitrification process

Developed sludge drying and carbonization device using microwaves: Exhibited at agricultural community drainage treatment equipment exhibition, sales started

Relocated headquarters to Nihonbashi, Chuo-ku, Osaka

Became a subsidiary of Sanoyasu Holdings Co., Ltd. with the start of holding company system for Sanoyasu Group

Established Sanoyasu MTG Co., Ltd. as part of Sanoyasu Group restructuring, became its subsidiary

Start of new Sanoyasu Group (shipbuilding business transfer)

Became a subsidiary of Sanoyasu Holdings Co., Ltd. through group restructuring

Changed company name to Sanoyasu Entec Co., Ltd.

In April 2022 (Reiwa 4), we changed our company name to Sanoyasu Entech (Environment Technology), after many years.

100th Anniversary of Founding