Certification & Patent

At Shandong Hongjin Machinery, we regard quality as the foundation of trust and growth.Producing high-quality soy product machinery to ensure customer satisfaction and continuous improvement is one of our core commitments.

We have been awarded the ISO 9001:2015 Quality Management System Certificate, recognizing our excellence in quality control and management standards.By implementing this international system, Hongjin has established a customer-oriented management framework that emphasizes continuous improvement and preventive control at every production stage.

To further enhance customer satisfaction, we have set up a customer feedback and resolution system. When an issue is reported, our sales and technical engineers analyze the root cause and provide prompt solutions.If the issue is related to equipment design or performance, it will be transferred to our project and engineering teams for optimization to prevent recurrence and ensure long-term reliability.

Through this system, Hongjin Machinery continuously improves product quality, service efficiency, and customer satisfaction, fulfilling our commitment to excellence and sustainable development.

Hongjin Machinery has been awarded the AAA Credit Enterprise Certificate, recognizing our company’s excellent business credibility, financial stability, and trustworthy performance within the industry.This certification demonstrates Hongjin’s long-term commitment to honest operations, contract compliance, and customer satisfaction, ensuring reliable cooperation and sustainable partnerships with clients worldwide.

At Hongjin, we believe that credibility is the cornerstone of quality and development.We will continue to uphold the principles of integrity, professionalism, and innovation, striving to build a trustworthy and respected brand in the global soy product machinery industry.

Hongjin Machinery is certified for using food-grade 304 stainless steel in all soy product processing equipment.This certification ensures that every part of our machines — from contact surfaces to structural components — meets international hygiene and food safety standards, guaranteeing safe and reliable food production for our customers.

By insisting on using high-quality stainless steel materials, Hongjin Machinery not only enhances durability and corrosion resistance, but also ensures easy cleaning, long service life, and compliance with modern food industry hygiene requirements.

Hongjin Machinery holds national patents for soy product processing equipment, including tofu machines, tofu cutting machines, soy milk machines, dried tofu production lines, tofu skin machines, and yuba (tofu stick) equipment.

These patented technologies reflect our strong capability in independent research, innovation, and equipment optimization, ensuring that each system delivers higher efficiency, stability, and product consistency.

Through continuous technological advancement, Hongjin Machinery has become a leading innovator in the field of soy food processing machinery in China.