Everyone should know that trigger sprayers are widely used in various places now. Next, let's talk about the evolution of trigger sprayers.
The patent for the trigger sprayer appeared in the 1930s. There are some differences in shape and structural design, but the working principle is basically the same.
In 1981, the hand sprayer was developed
In order to solve the leakage problem of the hand-pull sprayer, on the one hand, the sealing structure is improved, and then the liquid material sprayer is sealed as a whole with heat shrinkable film. We are quickly catching up with the growing demand 1988, developed a leak-proof structure, designed three Gear adjustable lever sprayer. Design structure can be rotated. Patent application.
In the late 1980s, with the transformation of some manufacturers, the market competition became increasingly fierce, but product assembly still required manual production, which was very backward compared with foreign mechanized assembly.
At present, with advanced and scientific business philosophy, the company designs and manufactures molds by itself, and designs and manufactures automatic assembly lines for sprayers and pumps, as well as quality inspection machines. As long as there are defective parts or other products with substandard functions, they will be rejected on the machine Automatic rejection to achieve strict quality control and assurance.