Who we are
Message from the Managing Director

We propose, plan and develop new materials, contributing to eco-society.
We are a foreign-financed trading company established in December 2017.
With the rapid progress of the new industrial revolution, we place clean energy, electric vehicles, new materials, and medical care as priority areas. We supply manufacturing equipment, raw materials and services. In particular, in the field of lithium-ion rechargeable batteries, we are providing support from the start-up to mass-production of a Chinese manufacturer, our partner company, aiming to be the world's No. 1 company.
We will continue to positively challenge our daily activities and contribute to a sustainable society so that we can contribute to the development of China and other Asian countries as well as Japan's economic growth in the future.
Managing Director
Haruo Tamagawa

Company Profile
Headquarters
- Company Name
- Bjay Technologies Co., Ltd.
- Address
- 9th Floor, Kamiyacho Prime Place Bldg.
4-1-17 Toranomon, Minato-ku, Tokyo 105-0001, Japan - Representative
- Managing Director, Haruo Tamagawa
- Establishment
- December 2017
- Capital
- Yen90,000,000 (Capital Reserve Yen90,000,000)
- Telephone
- (03) 6809-1140 (Main number)
- Main Bank
- Sumitomo Mitsui Banking Corporation. Aoyama Branch
- Business Description
- Sales and import / export of LIB part materials manufacturing equipment and part materials, Development support for new materials and others

Nagise Factory
- Address
- 7-1 Nagisecho, Kanonji City, Kagawa 768-0077, Japan
- Completion
- October/2023

R&D Center
- Address
- Rm31, 3 rd Floor, Sharp Kashiwa Bldg, 273-1 Kashiwa,Kashiwa City, Chiba 277-0005, Japan
- Establishment
- April/2023

Overseas Partner Company
- Company Name
- Shanghai Kener New Material Technology Co., Ltd.
- Address
- Pudong New Area, Shanghai
- Establishment
- June 2016
- Capital
- Chinese Yuan30Million (≒Yen500Million)
- Business Description
- Research and development of nanocomposite materials,
new energy related materials, seawater desalination, etc.

Management Policy of Bjay Technologies
We will clarify MISSION · VISION · VALUE and we will strive to realize it.
MISSION
We propose, plan and develop new materials, contributing to eco-society
VISION
- Promotion of technologies and products for realizing a sustainable society
- Innovation creation through new material development
VALUE
- Development and sale of materials and manufacturing equipment concerning
Li-ion rechargeable battery and next-generation battery - Promotion of seawater desalination project
Behavioral
guidelines
- Compliance with laws and regulations
- Concern about the environmental
conservation - Contribute to society
- Be sincere with a sense of responsibility
- Act promptly and proactively
Business Domain
Clean Energy & Ecology

- Smart City
- Development and sales of energy storage systems
- Development and sales of LIB materials
- LIB re-use/re-cycle
- Development and sales of LIB materials production equipment
- Seawater Desalination Project
New Material

- Ceramics
- Thin type reverse osmosis membrane
- Aluminum laminated film, Tab materials
- Cellulose Nanofiber
- High tensile strength electrolytic copper foil, Porous electrolytic copper foil
Health/Medical

- Health Checkup Program for visitors