1. Add inspection items such as nail-rolled aluminum foil fracturing and set up the waist management; 2. Dry the bare products and change the water resistance of the PET hose after aging
1. Increase nail roll aluminum foil fracturing and other inspection items and set-up waist management; 2. Dry the naked goods change, increase the water resistance check of PET hose after aging
1. Add inspection items such as nail roll aluminum foil fracturing and assembly waist management; 2. Dry and change bare products, and increase water resistance inspection of aging pet hose<br>