Well washing truck
                                Fracturing fluid backflow truck
                                YYQF-30 sewage pretreatment skid
                                Oily sludge drying equipment
                                Oily sludge treatment equipment
                                River dredging equipment
                                Mud-free landing equipment
                                Ultra-fine ceramic membrane processing assembly
                                Y-type filter
                                Inclined plate oil remover
                                Cyclone desander
                                Air flotation assembly
                                Quartz sand filter
                                Magnetic processor
                                Basket filter
                                Fiber ball filter
                                Integrated dosing device
                                High-pressure filter
                                Walnut shell filter