04　Quality Policy

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.

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

05 Corporate Governance

1. Basic Principles Regarding Corporate Governance

At Ishizaki Group, we have placed “Harmony and Sincerity,” our corporate creed since our founding, at the core of our corporate governance.
Guided by the values embodied in “Harmony and Sincerity,” the commitment to maintaining harmony and acting with sincerity, we uphold these principles as the foundation of our management philosophy. We strive to deepen the relationships of trust with all our stakeholders, including our customers, and aim to achieve sustainable growth and enhance our corporate value over the medium to long term.
In order to make these beliefs effective, we regard corporate governance as our most important management foundation and will work to build a unified system across the entire Group and continuously strengthen its operation.

2. Group Governance System Chart

Ishizaki Holdings is responsible for overseeing and governing the entire Group, and has established a system that enables each operating company to execute its business swiftly and effectively.
The structure of our corporate governance system is shown in the following chart.

3. Board of Directors

The Board of Directors is responsible for determining management policies and other important matters, while also fulfilling its supervisory function over business execution. To ensure sound and transparent management, the Board of Directors meets regularly and also convenes extraordinary meetings as necessary.

4. Executive Officer System

At Ishizaki Group, we have introduced an executive officer system to ensure swift decision‑making and efficient business operations. Executive officers are responsible for executing business operations based on the decisions of the Board of Directors and enabling flexible and agile management that is closely aligned with on‑site realities.

5. Management Supervision

Ishizaki Holdings regularly reviews the management and financial status of each operating company and oversees whether the respective systems for risk management, compliance, and sustainability are functioning appropriately. We have established a system in which the Board of Directors is involved in and approves highly important management decisions.

6. Business Execution

Ishizaki Holdings has delegated substantial authority to each operating company. By enabling each operating company to make swift decisions and carry out its operations in line with the Group’s management policies, we are accelerating and improving the efficiency of management across the entire Group.

7. Basic Principals Regarding Compliance

At Ishizaki Group, guided by its management philosophy, we place compliance with laws and social norms as important matters in our corporate activities. We aim to be a company that earns the trust of all our stakeholders and contributes to the realization of a sustainable society by complying with laws and regulations while conducting our corporate activities with sincerity and fairness grounded in a strong sense of ethics.

8. Internal Audit System

To promote sound management and achieve our objectives, while ensuring the appropriateness and efficiency of our operations, the Ishizaki Group has established an Internal Audit Office within Ishizaki Holdings. This office conducts internal audits covering the entire Group, thereby enhancing the effectiveness of our audit functions.
We regularly conduct audits of each operating company to confirm their compliance with laws and regulations, risk management practices, and operational status. Based on the audit results, we implement corrective measures and work toward the continuous improvement of our operations. The audit results are reported to the management team and are utilized to strengthen governance of the entire Group.