Mainly used in the shipbuilding industry. High quality starting welding joint surface. Start welding: Single arc 1-wire or single arc 2-wire is optional. End users can choose between HUGONG MZ-1000 and MZ-1250 welding machines. 2 sets of floating arc guiding systems, suitable for precise wire positioning in welding areas. 2 sets of melting and recycling systems. Vertical motion dual drive system. Variable frequency motor and frequency converter operate synchronously. Convenient speed adjustment and stable operation