Introduction to Electric Melting Furnace An Electric Melting Furnace is an industrial device that uses electrical energy as its core heat source to melt, heat up, or maintain the temperature of materials. It has widely replaced traditional fuel-fired furnaces and become a key piece of equipment in modern smelting and material processing fields. Its core principle lies in converting electrical energy into thermal energy—by means of resistance heating, electromagnetic induction, or arc discharge, energy is transferred to materials directly or indirectly, bringing them to a molten state to meet subsequent processing needs.

Electric melting furnaces are mainly categorized into three types based on their heating methods: First, **Induction Electric Melting Furnaces**, which generate eddy currents in metal materials through high-frequency/medium-frequency electromagnetic fields to produce heat. They feature high heating efficiency (up to 70%-90%) and fast temperature rise, making them suitable for smelting ferrous metals, copper, aluminum, and other non-ferrous metals. Second, **Resistance Electric Melting Furnaces**, which rely on heating elements such as resistance wires and silicon carbide rods to generate heat. They offer high temperature control precision (with an error margin of ±1℃) and are mostly used for melting and sintering non-metallic materials like glass and ceramics. Third, **Arc Electric Melting Furnaces**, which generate ultra-high temperatures (over 2000℃) through arcs between electrodes and materials, applicable for smelting large-scale steel or special alloys.

In terms of application scenarios, electric melting furnaces cover both industrial and scientific research fields: Industrially, they are used for metal alloy preparation, glassware production, and ceramic green body firing; in scientific research, small-sized electric melting furnaces can simulate high-temperature environments to support research on material properties. 

Qinhuangdao Xingao Glass Technology Co., Ltd. was established in 2016 with a registered capital of 3 million yuan. Specializing in the research and development of new glass melting technologies and the manufacturing of equipment, we can provide users with services such as the design, production and installation of glass electric melting

furnaces, electric fluxing, electric heating, melting furnace bubbling devices, and automatic batching systems.

The company has 30 employees, including 3 senior engineers, 4 engineers and 5 technicians. They are composed of professionals in glass furnaces, glass technology, glass machinery, automatic control and other fields. The company has strong technical strength and rich professional experience.

Qinhuangdao is renowned as the "Glass City of China", and Yaohua Group is even hailed as the cradle of China's glass industry. Relying on the resource advantages of the local national-level design institute and the glass city, the company adheres to independent innovation and promotes technological upgrading.

The company was certified with ISO9001 for quality, environment and occupational health in 2018. In 2025, it was approved as a technology-based enterprise and holds five glass technology patents.

The company adheres to the concept of "technological leadership and customer first", and has won market trust with first-class products and quality services.