MIDTRAIL is a modernised manufacture enterprise, which is established in 1999, occupies area 10000㎡.The company owns professional design and development team together with perfect management. We do research, manufacture, sale and service at the same time. he main products are connector on heavy duty trailers and trucks, which includes trailer plugs & trailer sockets,trailer connector, circuit breaker, and another series is welding accessories like earth clamps, welding clips, battery clamps and charging clamps.Shuangli persists “quality and guest first, besides reputation”. And our products are used widely in areas of automobiles, trailers and boats and ships. In addition, we can offer of sockets & plugs in different types and various styles to meet amount of guests’ requirements. The company owns many big markets in North America, Europe, Australia, Middle Asia and so on. We do service as reasonable and competitive price and high quality for every guest. Let’s hand in hand, and build very harmonious cooperation relationships.