... sensor(overfill detection system for tank truck,socket,probe) Optic sensor(overfill detection system,tank truck parts ... , various semi-trailers and full trailers, auto parts, totally including more than 100 types ... level. Our production capacity is about 1,500 units to 2,000units of ... truck,refrigerated vehicle,refrigerated lorry,freezer car,chill car,refrigerated van,,crane,lorry loading crane,,,,, ...