What's the difference between Tang Yin and Yuegong?

Tangshan New District and Yuegong are a whole. According to official website of Tangshan Iron and Steel Co., Ltd., Legong is the product of Tangshan Iron and Steel Co., Ltd.' s capacity transfer, and Tangshan New District is the name of several branches in the original urban area of Tangshan Iron and Steel Co., Ltd. Now Tangshan Iron and Steel Co., Ltd. has completed the task of withdrawing from the market, and its production capacity has been transferred to Laoting Jingtang Port. Legong is a company that integrates the resources of Tangshan Iron and Steel Company and Zhangjiakou Xuanhua Iron and Steel Company, with super high production capacity and technology. Tanggang Tangyin Iron and Steel Co., Ltd. (hereinafter referred to as Tangyin) is a large-scale iron and steel enterprise jointly established by Tangshan Iron and Steel Company of Hebei Iron and Steel Group and Hebei Yinshui Group. The company was formally established on June 6, 2006. The annual design capacity is 3 million tons, with a total investment of 3.4 billion yuan, of which the investment ratio of Tangshan Iron and Steel Company is 5 1% and that of Yinshui Group is 49%.