... detection system for tank truck,socket,probe) Optic sensor(overfill detection system,tank truck parts,f Hubei Chusheng ... sucking cart,,,,cement truck,cement mixer,concrete truck,concrete mixer, High-altitude operation truck, hydraulic aerial cage, overhead working truck, ... Manholes, Spill Containers,swivels, Couplings and Valves etc. Optic sensor(overfill detection system for tank truck,socket,probe)