Shanghai Zhiyuan Vacuum Electric Appliance Factory is a professional manufacturer of vacuum electric appliances. Our company is a qualified and eligible regular supplier of single outfit in the industries of water conservancy and electric power supply.Our products include high voltage and low voltage vacuum electric appliance switches, switch tubes and other switch fittings, which have been widely used in the industries of coal mining, metallurgy, chemistry, electrical power, petroleum and cement. Some advanced products such as high electric current vacuum contactors and high voltage contactors are researched and developed solely with our own expertise. Our products are popular among many countries such as America, Korea, Southeast Asia and win a high reputation. With the rich experience of exportation and considering quality first, we sincerely hope to cooperate with customers from all over the world and look forward to getting your reply.