Dongguan Zhongyi Electronic Technology Co., Ltd. is a high-tech enterprise with independent research and development sovereignty. The company is currently the main electronic pump control protector and other products. All products are produced in the United States, Denmark, Sweden and Italy, the country's most advanced electric pump technology and equipment; pump control protector R & D is getting the guidance and approval of university professors such as South China University of Science and Technology, quality and safety are in accordance with international standards Requirements design and production.