... Easy installation, long life reliability. We are professional manufacture of industrial plug and socket, coupling, connector /outlet. We can offer IP44, IP67, 16A, 32A ... , 63A, 125A, 2P+E, 3P+E, 3P+E+N, plug and socket. ... 52.5-6 1. We specialize in producing industrial sockets and plugs, and the products passed ISO9001 Quality Assurance System, have ...