Advance Tech Service [P] Ltd. Manufactures Core Alignment Tool for Usage in High Voltage parts. Advance Tech Service [P] Ltd. Received EFY Award in Soldering Desoldering category. Core Alignment Tool for Usage in High Voltage parts bears the model number CD-10. It comes in a pack of five tools that are used to adjust potentiometer, IFT Coil and High Frequency Coils.