Sidley Advises on the Hong Kong IPO of Shenzhen Senior Technology Material

Sidley advised on the initial public offering (IPO) and H share listing of Shenzhen Senior Technology Material Co., Ltd. (Senior Technology Material) (HKEX: 6067) on the Main Board of the Hong Kong Stock Exchange (HKEX). The offering raised approximately HK$1.34 billion (US$172 million). Sidley acted as Hong Kong and U.S. counsel to the sole sponsor, China Securities (International) Corporate Finance Company Limited, and the underwriters. 

Senior Technology Material is a recognized lithium-ion battery separator manufacturer with independent equipment research and design capabilities. It is also the first Chinese company to master the dry process uniaxial stretching technology for lithium-ion battery separators. With over 20 years of research and development experience, it ranked first globally in dry process battery separators and second in the overall lithium-ion battery separator market by shipment volume in 2025, and supplies all of the world’s top 10 lithium-ion battery manufacturers. 

The Sidley team was led by partners Meng Ding and Claudia Yu (China Corporate and Finance). Other team members included Liming Xu, Kevin Chan, Iris Cheung, Alice Liu, Stark Liu, Irene Ho, Cleo Wang and Nicolas Choi. (all China Corporate and Finance).

Sidley’s Hong Kong IPO team is widely recognized for its strong transactional track record, and has received numerous accolades, including being named “Securities Firm of the Year” at Law.com International’s Asia Legal Awards 2024 and deemed “highly recommended” by the FT Innovative Lawyers APAC Awards 2025 in the category “Innovative Lawyers in Unlocking Capital.” Sidley has also been ranked as a “Leading Firm” in Technology, Media, and Telecommunications by Legal 500 Asia Pacific 2026.