... demand. conveyor belting, belt conveyors,conveyor idler rollers, conveyor rollers, troughing idlers, rubber rollers, roller brakets, used in coal and mining, harbor, chemical industry, building ... 's demand.Delivery and payment terms of belt conveyorsL/C, T/T, Escrow, Cash, Western union, or as the buyer's demand. Harbor and coal minging belt conveyors