Zhejiang Tongkai Electrical Co., Ltd. was built in 1987, with the predecessor of Zhenhua Factory. We specialize in the research, production and sale of power supplies. For more than 10 years' hard work and development, our products have almost included all kinds of power supplies. Recently, we have successfully developed technical products, such as car converters and wind and solar energy inverting systems.We are one of the earliest companies producing power supplies in China. We are a member of Power Supply Association of China.We got ISO9000 quality and management system certification in 2002. Our main products have passed the evaluation of Network Access License for Telecommunications Equipment Ministry of Information Industry, PRC and CTTL certifications. All our products have passed the test of the Inspection Bureau of Province.Our company has good credibility. We have been awarded AAA Grade Credit Grade Enterprise. We have import and export rights.Our tenet is "quality, honesty and credit." We will work hard to cooperate with friends all over the world.