Established in 2017, Wenzhou Haoyi Technology Co., Ltd. is a comprehensive high-tech enterprise integrating R&D, production and sales. The major products is auto cooling system, such as expansion tank, electric fan, sensor, hose, radiator ,interior blower and oil cooler . Internal combustion engines have a relatively low efficiency. The engines converts only about 37-42% of the energy resulted from the combustion into kinetic energy. Unfortunately, more than half of the energy from the fuel is converted into heat. This also means that you always have to keep the combustion under control so that the engine does not overheat. In order not to waste the produced heat entirely, it is used to heat the interior. This requires a complex system of heat conductors, piping and pumps. We have auto parts professionals in our team that possess expert knowledge and are able to provide reliable information about cars to our customers.In order to develop steady and rapidly, we insist on quality reputation and development of survival, and never stop strengthening the enterprise management, comprehensive implementing the quality control system and improving.Sincerely hope cooperate with you for the better future.