Kunshan GLVAC Electronic Technology Co.,Ltd. (Stock code 688103) is a public company listed in SSE Star Market,located in Kunshan, Jiangsu. GLVAC specializes in R&D, production and sales of electric vacuum devices. With nearly 60 years of technological experience and investment in R&D, GLVAC has developed an independent knowledge of our core technologies that is applied on every production process of our vacuum products. The products are widely used in aerospace, semiconductor equipment, new energy vehicles, railway transportation, coal mining, energy (wind energy, photovoltaic, power distribution, energy storage, charging point), security inspection, industrial flaw detection, major scientific research and other fields.