Germany VAHLE mobile power supply system, heavy-duty trolley line, allowing current to 220A to 1560A. LSV / G series of multi-polar closed trolley line, allowing current: 60A to 300A. U10 series combination of trolley line pole, allowing current: 10A to 1000A. Cable reel, reel by a spring or motor driven. VAHLE sliding cable systems, on mobile devices for hanging flat or round cable. KSL / MKL family of multi-enclosed trolley line pole, 40A to 200A. SMG trolley line communication system, SMG (Slotted Microwave Guide) data transmission system with a variety of field bus interface, and his rates up to 10Mbit / s (Client: Shanghai Volkswagen). Non-contact power transmission system CPS. R485 communication interface POWERCOM485.