[Lithium Battery: Estone Plans Up to RMB 400mn Placement for 8,000 t/yr Boehmite Expansion]

Published: Sep 16, 2026 13:52 (GMT+8)

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Estone Materials Technology disclosed on Sept 15 a plan to raise up to RMB 400 million via a private A-share placement for an 8,000 t/yr boehmite project for ultra-thin lithium battery separator coating, a 20,000 t/yr high-purity quartz sand phase II project, and working capital. The boehmite project, with total investment of about RMB 102 million and a 12-month construction period, will build new small-particle-size boehmite lines that reduce separator coating thickness below 1 micrometer, boosting cell energy density and electrolyte wettability for high-voltage fast-charging power batteries and high-safety energy storage batteries, further consolidating its global leading position in boehmite coating materials.

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