Trio Engineering is a Hong Kong/Europe based EMS Provider with Manufacturing Facilities in Guangzhou, China. We are a highly capable partner providing full support throughout the design and manufacturing process. We have the in-house capabilities to both fast-track prototype and volume manufacture your products to the highest standards. Trio Engineering has the specialized skills required to manufacture industrial electronics, standard/custom power supplies, industrial battery chargers, EV chargers, PV inverters, EMI filters and magnetic components. Trio capabilities also extend to Self-Service and Vending Solutions for a wide range of industry sectors. Trio Engineering relies on processes and procedures that have been developed over 35 years. We ensure the highest quality standards through our state-of-the-art production processes (guided by Industry 4.0 principals) which are supported by our patented QMS (Quality Management) & MES (Manufacturing Execution) Systems which were developed by our experienced team of engineers.