HOLD-KEY is a manufacturer of electrical cables and power transmission components. Its product offerings are designed for applications involving power supply and energy transmission, including solar energy systems and general electrical control environments. The main product lines available through Centenary Materials include VCT and VCTF power cables, as well as power cords and solar cables. These components provide the necessary connectivity for various power distribution and control requirements. Centenary Materials offers in-stock supply, fast quotation and sourcing service for parts not currently listed.