Quality Assurance
Great Wall’s R&D, production and application of our products are based on more than 30 years ofdepth flter media experience. All of our staff are committed to ensuring and continuously improv-ing the quality of products and services.
We fulfll this responsibility by ensuring that our products meet national and international qualitystandards, and manufacturing is in accordance with the rules of Quality Management System lSO9001 and Environmental Management System lSO 14001.
This certifcation verifes that a fully functioning comprehensive Quality Assurance System cover.ing product development, contract controls, supplier selection, receiving inspections, production,fnal inspection, inventory management, and shipment has been implemented. The raw materialsused in production are submitted to specifc controls. In addition, continuous and repeated testsare carried out during the manufacturing process. Stringent quality and environment controlduring manufacturing ensures high quality standards and cleanliness of the Great Wall flter media.thus meeting the special requirements of our customers, Our products are verifed and certifed byan independent external institute to demonstrate our suitability for the food industry.
The Great Wall welcomes factory audits to ensure that rigorous production practices and procedures are in place.
