Power transmission wires and cables are essential components of electrical infrastructure, responsible for delivering electrical energy from generation sources to end - users. These conductors come in various types and sizes, each designed to meet specific transmission requirements. High voltage transmission wires, often used for long - distance power transfer between power plants and substations, are typically made of aluminum or copper - clad aluminum to balance conductivity and weight. They are suspended on tall towers or pylons to maintain sufficient clearance and minimize electrical losses. Medium and low voltage cables are used for local distribution within cities, towns, and buildings. Cables for indoor use usually have insulation materials like PVC or XLPE to ensure safety and electrical insulation, while outdoor cables feature additional protective layers to withstand environmental factors such as UV radiation, moisture, and temperature fluctuations. Power transmission wires and cables must meet strict industry standards regarding construction, performance, and safety to ensure reliable and efficient power delivery. Weidong Technology's "Heshengtong" brand offers a comprehensive range of power transmission wires and cables, leveraging its extensive network across China and its market - leading position, demonstrated by 2021 sales exceeding 1.4 billion, to provide high - quality solutions for diverse power transmission needs in indoor and outdoor engineering projects.