Professional and rigorous product control system, complete quality control system, implement process management from raw material storage to finished product release, to ensure stable product quality, 12 professional aging cabinets, which can age 6K at the same time, and have two-dimensional equipment , Constant temperature and humidity box, plug-in life tester, paper tape abrasion tester, multifunctional alcohol rubber friction tester, salt spray tester, AOl optical automatic testing machine and other professional testing equipment.