Which magnetic frame-in-frame screen window is the best in Shandong?

Which magnetic frame-in-frame screen window is the best in Shandong? Below we will introduce some tips for magnetic frame-in-frame screens to facilitate your choice.
Be sure to choose a regular brand and manufacturer. Since the screen of the magnetic screen window can be pulled up and down, the screen must be able to withstand winds of level 6 to 8 and will not blow the screen out. There are many windproof devices. It is best to choose a piece-type windproof frame-in-frame screen window. When purchasing, ask the seller to check the test certificate issued by the national authority, or after the manufacturer installs it, carefully check with your hands whether the windproof gauze box is on There must be a force-adjusting device or a detachable device with safe and reliable performance.
Since it is a cabinet screen window in a magnetic frame, there is a spring in the screen box. No matter how good the spring is, it will become weak after a long time, so the window screen will not be able to be recycled. At this time, this device will play a very important role. It can not only easily increase or decrease the strength of the spring, but also keep the spring force in an ideal state.