Dongying Jiuli Petroleum Technology Co., Ltd. successfully passed the audits of the ISO 9001 Quality Management System Certification, ISO 45001 Occupational Health and Safety Management System Certification, and ISO 14001 Environmental Management System Certification on April 26, 2022, and obtained the relevant certification certificates. This marks that the company has reached international standards in quality management, occupational health and safety, environmental management, and product compliance, laying a solid foundation for the company's continuous high-quality development.

The successful passing of the certifications of the four major systems is a manifestation of the company's long-term adherence to the concept of "quality-oriented, safety-first, and environmentally friendly", and also a powerful proof of the continuous improvement of the company's management level. The passing of the ISO 9001 Quality Management System Certification indicates that the company has established a scientific and standardized quality management system, which enables it to continuously and stably provide high-quality products and services to customers. The passing of the ISO 45001 Occupational Health and Safety Management System Certification reflects the company's high emphasis on the occupational health and safety of its employees and creates a safe and healthy working environment for them. The passing of the ISO 14001 Environmental Management System Certification demonstrates the company's commitment to actively fulfilling its social responsibilities and its dedication to achieving green and low-carbon development.

The attainment of the certifications of the three major systems is not only an affirmation of the company's past achievements but also an encouragement for its future development. Taking this certification as an opportunity, the company will continuously improve its management system, enhance its management level, provide customers with better products and services, create a safer and healthier working environment for employees, and create greater value for society!

Dongying Jiuli Petroleum Technology Co., Ltd. will continue to adhere to the concept of "quality-oriented, safety-first, and environmentally friendly", continuously improve its management level, enhance its core competitiveness, and strive hard to achieve the company's high-quality development!