ZNG Electric manufactures IEC60309-1/-2 industrial plugs, sockets, and industrial socket boxes. It has been producing such goods for almost 12 years since 2009. ZNG industrial plugs and sockets separate from single phase to three phases, with 3pin(2P+E), 4pin(3P+E), and 5Pole(3P+N+E). The voltage can be divided into 110V/130V, 220V/250V and 380V/415V. Rated current includes 16A,32A,63A,125A. All ZNG products have authorized with CE, RoHs and CQC certificates, and with strict test before delivery.