Certifications & Patents
Verified quality, responsible manufacturing, and continuous innovation in ceramic filter media production.

CE Certification
Our CE certification reflects Longxin’s commitment to product safety and quality compliance. It supports the use of selected ceramic filter media products in international markets. This helps build trust with global water treatment partners.

FDA Certification
Longxin products are manufactured with a strong focus on material safety and quality standards. Selected ceramic filter media products comply with relevant FDA requirements for material contact applications. This certification strengthens confidence in our products for global water treatment use.

SGS Test Certification
Selected Longxin ceramic filter media products have been tested by SGS for relevant quality and safety standards. Independent testing helps verify product performance and material reliability. This supports customer confidence in our filtration media for global applications.

ISO 9001 Quality Management Certification
Longxin operates under an ISO 9001 certified quality management system. This reflects our commitment to consistent production, process control, and product quality. It helps ensure reliable ceramic filter media for global water treatment customers.

ISO 14001 Environmental Management Certification
Longxin is committed to environmentally responsible manufacturing practices. Our ISO 14001 certification reflects effective environmental management and sustainable production processes. It supports our goal of delivering high-quality ceramic filter media with reduced environmental impact.

ISO 45001 Occupational Health & Safety Certification
Longxin places strong emphasis on workplace health and safety in manufacturing operations. Our ISO 45001 certification reflects a commitment to safe working conditions and responsible production management. It supports consistent, reliable, and sustainable manufacturing practices.

Ceramic Ball Grinding Fixation Device Patent
This patented device reflects Longxin’s continuous investment in manufacturing innovation. It improves stability and precision during ceramic ball grinding and processing. The technology supports more consistent product quality and efficient production control.

Energy-Saving Grooved Heat Storage Ball Patent
This patented design showcases Longxin’s innovation in functional ceramic media development. The grooved structure helps improve heat retention efficiency and energy utilisation performance. It reflects our continued focus on advanced material engineering and product functionality.

Silicon-Based Hydrogen Ceramic Ball Preparation Patent
This patent reflects Longxin’s research and development in hydrogen-releasing ceramic media. The preparation method supports stable product formulation and controlled manufacturing quality. It strengthens our technical foundation in functional water treatment materials.

Spherical Ceramic Heat Storage Structure Patent
This patented structure highlights Longxin’s innovation in functional ceramic material design. The spherical heat storage body is engineered to improve thermal retention and application efficiency. It reflects our ongoing commitment to advanced ceramic technology development.

Hollow Bio-Culture Ceramic Ball for Aquarium Filtration Patent
This patent showcases Longxin’s innovation in biological filtration ceramic media. The hollow structure is designed to support beneficial bacteria growth while improving water circulation efficiency. It expands our application expertise in advanced ceramic filtration solutions.

Heat Storage Ball Manufacturing Material Handling Device Patent
This patent reflects Longxin’s continuous innovation in ceramic manufacturing equipment and process optimisation. The material handling device is designed to improve production efficiency and operational precision during heat storage ball manufacturing. It demonstrates our commitment to smarter production systems and consistent product quality.