... tank truck,socket,probe) Optic sensor(overfill detection system,tank truck parts,f Hubei Chusheng Special-purpose Vehicle Co, ... , sewage suction truck, fecal suction truck, various semi-trailers and full trailers, auto parts, totally including more than 100 types vehicles ... Containers,swivels, Couplings and Valves etc. Optic sensor(overfill detection system for tank truck,socket,probe)