... to 20t. Our products include trailer(farm trailer and European trailer),disc harrow,disc plough,ridger, ... tailight, auto-circuitry of the whole trailer.Form of tipping: back tipping,three way ... trailer: Pickling phosphatingSurface spray coating: antirusting paint, finishing paint .The process of trailer welding: carbon dioxide MIG welding. Farm trailer,tractor trailer,single axle trailer ...