LingTong electronics company is specialized in design, development and production of a full range of solid state relays, voltage regulator module enterprises. Our company set up 30 years, in accordance with the spirit of continuous innovation, has developed and produced 8 major categories, more than 300 specifications of products, so that our company has become a domestic industry with a wide range of products, technology leading manufacturers. As a kind of high reliability contactless automatic control switch, solid state relay produced by our co...