Weihai Huadio. On the fishing rod, there is a goldfish pattern which is the registered trademark of Weihai Huadio Fishing Gear, so it is a fishing rod of this brand. A fishing rod is a fishing tool that is shaped like a slender, multi-section rod. It usually has a handle that gradually becomes tapered and pointed from the handle to the rear end. It is used by connecting a fishhook with bait to a fishing line. .