... certified 3.Offer good service 4.Competitive price Best quality for U311 plug and socket 1.Product name:U3112.125V,15A3.material ... holder, plug, socket, extension socket, lighting, energy saving lamps and other electrical accessories, we have exported our products to more ... ISO 9001:2000 Quality Management System, most of our products have CE, Rohs, BS, VDE, SGS and UL certificates, with serious work ...