Yinlan Commercial Modular Adjustable Trench Support System: This is an independently designed and developed system with proprietary intellectual property rights by our company, used for trench excavation support in municipal and hydraulic engineering projects. Its primary function is to prevent collapses during trench excavation caused by various factors, thereby protecting construction personnel from injuries. The system adopts a "2+1" dual-panel mode with a panel height of 3 meters, featuring modular assembly and compatibility with trenches of varying depths from 1.5 to 3 meters. It includes 2 sets of support rods totaling 12 pieces, with adjustable inner widths ranging from 1 to 3 meters. The system boasts superior quality and is priced 40% lower than similar products on the market.