In recent years, the most popular outdoor children's amusement facilities include outdoor climbing nets, trampolines, parent-child swings, multi-person ramp slides, small children's rock climbing facilities, ziplines, etc. These popular outdoor facilities are basically available in every manufacturer, but the level is uneven. If you want to know which outdoor children's amusement facilities...
Students spend most of their time in the folding stool chair. A standard folding stool chair plays an important role in developing students' correct reading and writing posture, reducing fatigue and improving learning efficiency. So, what is the standard for folding stool chair?
According to the "Functional Dimensions and Technical Requirements for School Desks and Chairs" (GB/T3976-2014),...
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