quality control

Research and Development

Since its founding, YUANHAO has consistently pursued innovation in the carbon molecular sieve industry, delivering high-performance products tailored to market demands. With ongoing technological advancement and sustained R&D investment, YUANHAO remains a leader in technical innovation. To date, we have secured 13 patents, including 3 for inventions and 10 for utility models.

Total Quality Management Systems

YUANHAO operates a comprehensive quality control system to guarantee superior product standards. This includes careful selection of raw materials, close supervision throughout the manufacturing process, and thorough testing of the final product’s physical and chemical properties.

Raw Material Quality Control

As a dedicated manufacturer of carbon molecular sieves, YUANHAO take pride in using only high-quality raw materials that go far beyond industry expectations. Our commitment to excellence ensures superior adsorption performance, long service life, and consistent product stability. By starting with the best, we deliver carbon molecular sieves you can truly rely on.

Inprocess Quality Control

During manufacturing, we apply cutting-edge equipment and technology, enforcing strict quality management throughout the process to ensure each production step is completed efficiently and to a high standard.

Final Quality Control

At the final product stage, we carry out thorough and precise testing according to product specifications, performance, and application areas to guarantee every item complies with international quality standards.

Quality Certification

To enhance product quality and boost production efficiency, YUANHAO has set up a dedicated quality inspection center to ensure strong quality assurance. Meanwhile, we remains firmly committed to a quality-first approach, implementing strict quality control measures. The company has successfully obtained ISO9001:2015 for quality management, ISO14001:2015 for environmental management, and ISO45001:2018 for occupational health and safety.