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The height of the guardrail strictly follows the national standard of 1.1-1.2m, and the distance between vertical poles is ≤11cm (to prevent children from climbing). The glass and stainless steel frame are fixed with stainless steel buckles (at least 4 buckles for each piece of glass, load-bearing ≥50kg/㎡); the bottom is fixed with expansion screws, and the amount of shaking after installation is ≤2mm, which ensures strong stability.