First: venetian blinds, preferably polymer venetian blinds without glue, is more environmentally friendly;
Second: frame, widened and thickened Al-Ti-Mg alloy, 1.2 thick, aerospace material, slotted anti-collision strip and dustproof strip, which can be made in the same color as the door core material. It is good that the four-meter-high door is not deformed.
Third: Yitong, Yitong metal material, Yitong mute adhesive tape, humanized design, titanium-magnesium-aluminum alloy material, with a bridge in the middle, with better bearing capacity and thickening according to the bridge design;
Fourth: anti-collision strip: groove-shaped, not easy to be pulled open, the same color as the door frame, cushioning effect; Not every brand has it.
Fifth: pulley: carbon fiber glass fiber material, similar to fishing rod material, more than ten kilograms of fish pull, SU304 stainless steel, not easy to rust, there are more plastics on the market. Two-wheel patent, compared with single wheel, it is not easy to jump off the track, and it is stressed at four points. The third sub-top wheel with single wheel and two points is more stable and firm, and the middle spring can be adjusted. Push and pull continuously120,000 times or more (on the market10,000 times or more).
Sixth: Edge sealing: German Haomai edge sealing machine, the same color as the plate, see light edge sealing ABS, edge sealing thickness 1.2, anti-counterfeiting mark, seamless edge sealing, to prevent moisture and prolong life;
Seventh: MDI glue is a kind of medical glue, which has a wide range of uses and many derivative products. It is used to make artificial blood vessels and refrigerator liners.
Eighth type: horizontal door: European aluminum edging, slot inlay. Brand door hinges bear 300 kg and are cushioned. The wooden frame is more beautiful at a 45-degree angle. Metal frame doors are not easy to deform. Better dust resistance. Cooperate with the hanging door test;
These were introduced to me when I bought Shrineman. You can refer to them.