... tank truck,socket,probe) Optic sensor(overfill detection system,tank truck parts,f Hubei Chusheng Special-purpose Vehicle Co, ... have been sold all over the world, especially in Middle east countries, East Europe countries, Africa countries, southeast countries, and win good reputation ... Containers,swivels, Couplings and Valves etc. Optic sensor(overfill detection system for tank truck,socket,probe)