Knowledge

The sunscreen spray nozzle cannot be pressed down. It can be: toothpick dredging, boiling water method, and changing the nozzle. 1. The reason why the

If the spray cannot be sprayed, it is recommended to check whether the small hole at the nozzle is blocked, dredge the small hole, or remove the nozzl

There is a press type liquid suction mechanism in the hand sanitizer bottle, which is mainly composed of a liquid guide pipe, a liquid inlet valve, a

1. In order to prevent liquid leakage due to mutual extrusion during transportation, this pump head can only extrude liquid after rotating the nozzle,

The pump head uses the principle of pressure type liquid suction, that is, the movement of the piston is used to discharge the air in the liquid stora

Function of external pump head 1. Applicable products: granular liquid, sand granular liquid, etc. 2. Pumping dose: 4.0+0.4g. 3. The external pump hea

Some external pump heads will be designed with a plastic snap between the liquid outlet and the lower round cover at the beginning, which is used for

How to choose a good lotion pump head? The key points of a good lotion pump head are the following: 1. The sealing of the glass ball or steel ball und

The external pump head is a spring external lotion pump, which comprises a head, at least one gland, a spring, a bottle cap, a conduit, a suction pump

Composition principle of foam pump head on cosmetic bottle dispenser 1. The dispenser is divided into two types, i.e. binding type and screw type. Fun

First pressing: when the pressing head is pressed for the first time, the pressing head drives the auxiliary column to compress the spring together th

Some external pump heads will design a plastic buckle between the liquid outlet and the lower round cover at the beginning, which is used to fix it an