Our story begin in Hong Kong in 1971, evolved into part of Emerson Power Supply Business Group, a leading global power solution provider. Astec has been one of the main production bases of Emerson Network Power in China, focus on producing various high-frequency switching power supplies, consumer electronics, automotive power supplies, photovoltaic energy storage products and various magnetic electronic components. With nearly 50 years of experience in power supply R&D, we are an established ODM/EMS manufacturer, cooperating with top tier Fortune 500 companies.