Ningbo Shanshan (SHA:600884) estimated daily related-party transactions for 2026 of up to 282.5 million yuan, according to a Wednesday filing with the Shanghai bourse.
The transactions include procuring graphitization processing services from Haichuang Shangwei worth up to 235 million yuan, purchasing PVA optical films from Wanwei High-Tech, and selling TAC and release films to Hefei Deruige Optoelectronic Technology.
Shares of the lithium-ion battery materials company rose 6% in recent trade.