The company confirms raw material suppliers strictly according to the standards of ISO9001:2000 Quality Management System, supervises purchase process, and strictly controls production process. It dynastically manages its qualified suppliers according to quality of raw materials, implements a “4N-6N” management system, wherein 4N means that the company does not accept, manufacture, transfer and hide unqualified products, and 6S means management, reorganization, sweeping, cleaning, quality and safety, in the whole process of production, and implements “One-vote Negation System” product quality tests. Its supervision and inspection department takes full charge of inspection of raw materials, semi-finished products and finished products and strictly controls product quality in processes. Its subordinate quality inspection workshop takes charge of final inspection before delivery of its products, thus ensuring that every meter of its delivered interlinings are qualified and high-quality.