The red copper coil be used for the transformer in the electric welding machine. We made it by ourselves. The tube is circled in the coil.the heat can be reduced by the water who is circling through the tube .
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea