The special-shaped silicon carbon rod produced by Liaoyang Hongtu Carbide Co., Ltd. was rated as the "specialized, refined and new" product in 2014 by the Department of Small and Medium-sized Enterprises of Liaoning Province, and the certificate and plaque were issued.

Special-shaped silicon carbon rod, silicon molybdenum rod, these special-shaped electric heating elements have not been involved in the national standard, in order to meet market demand, it is necessary for suppliers to carry out the research and development of special-shaped electric heating element specifications and varieties. Special-shaped electric heating elements must adopt excellent welding technology, super-hard technology and cutting technology, etc., and develop a variety of special-shaped electric heating elements, such as grooved rods, alternative U-shaped rods, right-angle U-shaped rods, W-shaped rods, single and double threaded rods, gun-shaped rods, three-phase rods, etc.