Guangdong Scn Cnc Machine Co., Ltd is an innovative machine technology team. We focus on cold roll forming and welding machine lines, from decoiling , leveling, feeding, punching, forming, welding, packing. We are specialized in high precision residence welding equipments and provide best residence spot welding plan, such as precisive current 1A, 5 working frequencies (1kHz, 2kHz,3kHz, 4kHz, 5khz). Our ulta precision welding power controller can monitor continuous current, voltage, power to control the welding quality. We are always at the same working time with our buyers . The fast feedback and service support is our top value. Scn is creating the hardware industrial future. Welcome to Join us.