R.M. Exports manufactures Twin Line Welding Hose. R.M. Exports is an ISO 9002 certified company offering various types of rubber hose, Pneumatic Tool Hose, Pneumatic Air Hose, Welding Hose and Water Delivery Hose. The Twin Line Welding Hose is used in oxygen- acetylene welding, brazing and flame cutting applications and is available with smooth, abrasion and weather resistant cover made from natural or synthetic rubber.