A one-way valve is a flow of fluid only along the inlet, and the outlet medium can not flow back, commonly known as a one-way valve.The one-way valve is also called check valve or check valve.It is used in hydraulic system to prevent the flow of oil flow, or to prevent the reverse flow of compressed

Liquid silicone rubber is a kind of organic silica gel, which is a kind of silicone rubber, which is a kind of semi-solid silicon rubber and common room temperature vulcanization.This kind of glue has good fluidity, vulcanization is fast, can pour the injection molding also can inject molding.

Silicone Feeding bottles do not contain environmental hormones that are harmful to infants, nor do they need to change the bottle. They can be used for long periods only if they are replaced with a pacifier.When a baby grows up, it can be replaced with a Mug Cup lid.Then adults can use it as a water bottle or leave it to the next generation.