Quality Management System

1.Production environment:Enclosed workshop; Implement logistics with separate flow of people and goods.

2.Quality Management System

3.Laboratory

Equipped with a constant temperature standard laboratory, the temperature is controlled at 22℃±3℃, and the humidity is controlled at 55%±10%.

Test items: Whiteness, anti-leakage, air permeability, ash content, hydrostatic pressure, fluorescent agent, basic weight, heat shrinkage, anti-aging