金正大：公司子公司马路槽磷矿正处于建设期

Group 1 - The core viewpoint of the article is that Jinzhengdai's subsidiary, Maluzhao Phosphate Mine, is currently in the construction phase and is undergoing approval processes with relevant authorities, leading to uncertainty regarding the specific production timeline [1] - The company has advised investors to be aware of investment risks associated with the uncertainty of the production timeline [1] - The article highlights the ongoing developments in the company's operations and the importance of regulatory approvals in the mining sector [1]