
To ensure reliable quality and long-term service life of our file filing stationery, our company implements a comprehensive and rigorous testing system for all products, including folders, data books, 11-hole loose-leaf bags, snap button bags and classification pages.

We are equipped with professional testing equipment to conduct multi-dimensional performance tests. The tensile testing machine detects the tensile strength of product edges, connecting parts and materials, effectively preventing tearing and deformation during daily use and repeated filing and sorting. High and low temperature test equipment simulates extreme ambient temperatures to verify the product’s stability, ensuring normal use in different seasonal and regional environments.

In addition, we carry out salt spray tests to check the corrosion resistance of auxiliary accessories, especially metal parts. Drop box tests simulate accidental drops during transportation and storage to assess the product’s shock resistance and structural firmness. Meanwhile, the professional light box test calibrates product color consistency, avoiding color difference of finished products.

All-round testing standards strictly control every production link. Through refined quality inspection, we guarantee that our filing products are durable, stable and neat, providing customers with high-quality and practical office filing solutions.