盐湖股份：公司控股子公司蓝科锂业现碳酸锂产能为4万吨

Group 1 - The core inquiry from investors is whether Blue Lithium Industry is undergoing technological upgrades to add 5,000 tons of capacity [1] - Salt Lake Co., Ltd. confirmed that its subsidiary, Blue Lithium Industry, currently has a lithium carbonate production capacity of 40,000 tons [1] - The company indicated that the existing production facilities at Blue Lithium Industry can be further enhanced and optimized based on the operational status of its newly established 40,000-ton lithium salt integrated project [1]