Kunshan GLVAC Electronic Technology Co.,Ltd.(referred to as "GLVAC", stock code 688103)  is a public company, located in Kunshan, Jiangsu. With over 60 years of experience, GLVAC possesses independent R&D capabilities, and its core technologies encompass all key  of electric vacuum device manufacturing. The products are widely used in crucial fields, such as aerospace, radar communications, semiconductor equipment, new energy vehicles, railway, coal mining and chemistry industry, new energy (wind energy, photovoltaic, power distribution, energy storage, charging station), security inspection, irradiation, industrial flaw detection, large-scale scientific research etc.