Dalian Magellanmarine is dedicated to the marine electrical and automation repair & refit including navigation system/MSB/ fire alarm/alarm monitoring/remote control system etc. We also supply the spare parts for the marine control system. even some old spare part that the maker stop to produce. We could test all kinds of ACB with professional instruments. including Terasaki /Schneider etc. We could diagnose the PCB board by locating the damaged electronic components like capacitors， inductance or some diode。 the owner could avoid to purchase the new spare with high cost. Our business cover the north port of China(we could respond to your order quickly at Tianjin, JingTang, Caofeidian, Bayuquan, Dalian) No need prepaid. No need complicated procedure。 contact: Mobile: 13504110923 Email: walker.wang@magellanmarine.com.cn