1.Implementation Standard: QB/T4833-2015, chapter 6,6.3.3L figure 4GB/T34454-2017/IEC 2929:2104. Manufacturing

2.The test bench is made of 40X40 standard aluminum profile and test board

3.The frame is assembled from 15mm-20mm pine planks without any treatment. The inner frame size is 2000mm, the inner width is 1200mm, the fence height is 300mm, and the inner color of the fence is 18% gray

4.50mm test area along the wall

5.The base frame is provided with a brake-fixing caster