Yangzhou Nanopore Innovative Materials Technology Ltd., a Chinese battery materials maker, has filed confidentially for an IPO in Hong Kong, aiming to raise at least $200 million. The company, which supplies composite current collectors for lithium-ion batteries to firms like Tesla and Contemporary Amperex Technology, is working with BNP Paribas on the offering, targeting a listing by year-end. Details, including size and timing, are still under discussion. Temasek and China International Capita

Yangzhou Nanopore Innovative Materials Technology Ltd., a Chinese battery materials maker, has filed confidentially for an IPO in Hong Kong, aiming to raise at least $200 million. The company, which supplies composite current collectors for lithium-ion batteries to firms like Tesla and Contemporary Amperex Technology, is working with BNP Paribas on the offering, targeting a listing by year-end. Details, including size and timing, are still under discussion. Temasek and China International Capital Corp. are among its backers.