Hight quality zinc 3 core EV plug houisng produce by Enchuang die casting factory in China. The zinc and aluminum die casting plant pass IATF16949, and provide connector shell for more than10 years. The casting mainly shipped to Ameriaca and Europe. The dimension tolerance in Enchuang is +/-0.05mm, local place can realize +/-0.02mm. And more precision can be machined by CNC turning machines, such as +/-0.005mm.