The vehicle is mainly used for dust suppression, haze suppression and dust removal. The special device is metal box and spray device. The side protection material is Q235, and the connection way is to connect the bracket to the sub frame beam. The rear protective material is Q235. The connection way is: the bolt structure connector is fixed to the rear end of the main vehicle, and the rear protection device's section size is wide. × Height) 50 × 140 (mm), rear protective height above the ground: 470 (mm). The cab is optional with the chassis. The absmodel is cm4xl-4s / 4m, and the manufacturer is Guangzhou Ruili Kemi Automotive Electronics Co., Ltd. the front logo and door words are optional. The side box structure, front rear structure and rear dust suppression device are optional