沃顿科技(000920.SZ)第四季度新签订膜分离工程业务合同金额3645.37万元
Group 1 - The core point of the article is that Wharton Technology (000920.SZ) announced a new contract amounting to 36.4537 million yuan for membrane separation engineering business signed between October 2025 and December 2025 [1]