沃顿科技(000920.SZ):2025年10月至2025年12月新签订的膜分离工程业务合同3645.37万元
Group 1 - The core point of the article is that Wharton Technology (000920.SZ) announced a new contract amounting to RMB 36.4537 million for membrane separation engineering business signed between October 2025 and December 2025 [1]