01 Environmental Policy

We pursue “manufacturing that is kind to both people and the environment,”
and strive to build a “beautiful earth” and “rich society.”

Action Guidelines

1.Reduce waste and conserve resources
By efficiently using our limited resources, we work towards reducing waste and conserving resources.

2.Reduce CO2 emissions
We pursue manufacturing that does not place a heavy burden on the environment and strive to reduce our CO2 emissions.

3.Prevent environmental pollution
We appropriately manage items that have a possibility of polluting the environment.

4.Observe environmental laws and regulations
We observe environmental laws and regulations of each country and region, as well as other matters that our company has agreed to.

5.Continuously carry out environmental education
In order to improve awareness and promote actions that are considerate to the environment, we carry out environmental education for all our employees.

6.Operate environment management system
We build “Environmental Management Systems” for the entire company and promote environmental management.

02 Quality Policy


2018.12:ISO14001 acquired

Penstone Corporation

In the Penstone Corporation, all employees have made efforts to improve quality on a daily basis under the following policies, “Quality Policy” and “Action Guidelines.”

Quality Policy
We individually act from the customer’s point of view and deliver products of reliable quality.

Action Guidelines
Start an operation from quality confirmation
After quality confirmation, go on to the next step
Confirm quality on the actual site, the actual thing and by the actual numbers
Immediately solve problems based on the principles
Continuously perform all-hands improvement of quality

ISO acquired
2018.5:IATF16949:2016 transitioned
2003.2:ISO/TS16949 acquired
2000.2:QS9000 acquired
1999.3:ISO9001 acquired
1998.2:ISO9002 acquired

Ishizaki Honten Company, Limited

Our company carries out activities aiming “to be evaluated as a one-of-a-kind company in product quality, price, delivery period and skills.”
For that purpose, we work on the following as policies:
① Provide high-quality products and construction that meet the needs of customers and the requirements of laws and regulations.
② Build quality management systems, implement the cycle of continuous improvement for its effectiveness and make efforts to increase customer satisfaction.
③ Set the quality goals for the fiscal year and perform practice and supervision to achieve it.


ISO9001:2015 / JIS Q 9001:2015
Registered date: May 14, 1999
Registration updated date: August 22, 2021
Expiration date: August 21, 2024
1998.2:ISO9002 acquired

03 CSR Activity

Solar Power
We have used a solar power system since 2013. We contribute to society and the environment by generating energy that supports daily life and reduces emission of carbon dioxide.

<Shintsukiji Mirror Plant>
Hearing the Japanese government’s announced “2050 Carbon Neutral Declaration,” we installed these with the aim of reducing carbon dioxide emissions created by our business activities.
We are contributing to society and the environment.

Office Desk Donation Drive
These efforts not only set up environments for people working in developing countries, as well as the field of education, but also lead to improving earth’s environment by reducing waste amounts, and contribute to the realization of the SDGs.
These international donation activities realize SDG ideas such as “international contribution” and “creating a circular society.” We also aim to realize the SDGs from the sides of both emissions and receiving, and we are making efforts for 10 of the 17 goals.

In-company Nursery School
Children of the age of 1 to preschool age can attend this school (capacity: 12).
By supporting both their work and childcare, we have aimed to establish a work environment where all employees can focus on their work while remaining near children.

Penstone Farm
We have established Penstone Farm in indoor farming facilities in Aichi Prefecture and cultivate vegetables with hydroponics. We plan to donate the grown vegetables to local children’s food halls as part of our efforts to contribute to society.

“Say Hello” Project
We stand in front of the company at the beginning of every month and perform the “Say Hello” project for neighbors as well as our employees.

Local Cleaning Project
We perform a cleaning project once every half-year to increase awareness for environment beautification and to conserve the environment in cooperation with local companies.

Patrol on Premises
We perform patrols to protect local security in cooperation with local companies.

Blood Donation Drive
Our staff members take part in a blood donation campaign in our company twice a year.

Contributions to the Community
As part of our community contribution activities, we hold soccer classes for children.

04 Compliance Promotion

Hotline System

If you have found an employee who commits compliance violations, or you have been a victim of, or have witnessed, sexual harassment or power harassment, you do not need to suffer by yourself. First, please consult with us.
* We ask that you use your real name when contacting our hotline, but we also accept anonymous consultations. People who contact us will not be put at a disadvantage or suffer retaliation. In addition, we strictly observe confidentiality so that your personal information does not leak out.

① Company Consultation Desk
[Address] 1-2-15, Yanoshinmachi, Aki-ku, Hiroshima City, Hiroshima, Japan 736-0084
To: Human Resources and General Affairs Department Manager, Ishizaki Holdings Corporation
[E-mail] hotline@ishizaki.co.jp

② Consultation Desk outside of company(Mirai Career Co., Ltd.)
[Address] Daini Futagami Building 3F, 15-7, Fujimi-cho, Naka-ku, Hiroshima City, Hiroshima, Japan 730-0043
To: Mirai Career Co., Ltd.
[E-mail] hotline@hirogaru-mirai.net
[TEL] +81-70-4107-5896

* If using e-mail or post, please fill out the following designated formats regardless of if you are sending to inside or outside the company.