Shenzhen Senior Technology Material Co., Ltd., together with its subsidiaries, engages in the research, development, manufacturing, and sale of lithium-ion battery separators in China and internationally. The company offers dry, wet, and coated process separators, as well as RO membranes and other functional products. Its products are used in electric cars, electric tools, EMU, energy storage, aerospace, laptop, phone, camera, tablet computer, and other applications. The company was founded in 2003 and is headquartered in Shenzhen, China.