Mist Pump Box Manufacturer introduces the principle of spray pump water:
Exhaust process: Assume that there is no liquid in the base working chamber in the initial state. Press the pressing head, the compression rod drives the piston,
Glass Ball Wholesaler introduces the composition and use of glass fiber
1. E-glass: also known as alkali-free glass, it is a kind of borosilicate glass. At present, it is a widely used glass component for glass fiber.
The design of cosmetic packaging bottles is constantly innovating. From the beginning of the plastic cap, the squeeze cap to the last spray pump, each time is to better store cosmetics and facilitate people's use.