Power Engineering Consulting Joint Stock Company 4 is a Vietnam-based construction consultancy company. The Company offers architectural design and construction consultancy services to electricity infrastructure, power plants and power grids including up to 500kilovolts (KV) power transmission lines and substations and 1200 megawatts (MW) hydropower projects. In addition, it provides other power consultancy services such as mapping and surveying, building inspection, environment testing, site supervision, geotechnical services and others. The Company is also involved in electricity generation and merchandise of electricity equipment.