联化科技：目前相关碳酸锂装置还在做量产准备工作，尚未产生销售

Group 1 - The core point of the article is that Lianhua Technology (002250.SZ) is currently preparing for mass production of lithium carbonate facilities, which have not yet generated sales [1] Group 2 - The company is actively engaging with investors through an interactive platform to provide updates on its production status [1] - The current focus is on the preparation work for the lithium carbonate production, indicating a future potential for sales once production is fully operational [1]