The function of the crossbar angle steel is twofold: firstly, it is used to fix the drip irrigation pipe; secondly, it is used to hold the first layer of fruiting branches, and can also be used to fix the branch puller; Fixed drip irrigation pipes are generally 40cm in length, while fixed branches are generally 80cm in length; Made of hot-dip galvanized carbon steel, the angle steel and cement column are fixed with U-shaped clamps.