- Business
- Ningbo Solartron Technology Co., Ltd. (688299.SS) researches, develops, produces and sells high-performance polymer functional films principally in China with exports to global markets. The company offers reflective films; backplane base films for solar photovoltaics; optical base films; lithium-ion battery diaphragms or separators; and other specialty films including micro-foam white films, brightness enhancement films, diffusers and temperature-resistant self-release films, with applications in liquid crystal displays, power batteries, energy storage, solar photovoltaics and semiconductors. Founded in 2010 and headquartered at No. 999 Qingfeng Road, Jiangbei District, Ningbo, China, it operates in the specialty chemicals sector serving display, new energy and electronics industries. In 2024, Ningbo Solartron Technology subscribed for a 1.83% stake in Huizhixing, a smartphone optical hardening film maker, for 29.9 million yuan using its own funds to expand into downstream CPI film materials and foster collaboration on CPI and PET functional membranes, while its own CPI base film products advanced to customer validation. The company also signed a battery separator supply contract valid through December 2026 and reported first-quarter 2025 profitability driven by semi-solid CPI membrane contributions, amid ongoing shareholder reductions including by Changyang Yonghui in September 2025.