Mist pump: Bayonet (semi bayonet aluminum, the bayonet aluminum), screw are plastic, but some
in the above a layer of aluminum cover, a layer of anodized aluminum.
Lotion pump: the sub vacuum and the straw is the screw port. The large cap and head cap of the
screw can also be covered with a layer of anodized aluminum. Divided into two kinds of spit and
Hand pump: the diameter is too large, is the screw mouth. The large cap and head cap of the
screw can also be covered with a layer of anodized aluminum. There are generally a step is the
thread, there is no level of the left and right.
Length measurement: the length of a straw (from the pad to the end of the hose or FBOG).
Exposed length. As well as the length of the big cover (equal to the length of the bottle to the bottomof the bottle.