As a superior supplier in electric-energy system, we strive to manufacturing and marketing on the devices of Electric Circuit protection and Intelligent Control in Lowvoltage area. Integrating togethe...

5 Olive Crecent off Limca Road Nkpor

Diamond an affiliate to "Austin Petroleum Machines and Equipments Co, Ltd" has been into industrial voltage regulators building and production for the past 8yrs. With a constant upgr...