The best subsidiary of Evergrande Group, a Chinese conglomerate, is Evergrande Property, the real estate division. This conclusion is based on the subsidiary's financial performance and market dominance in the real estate sector. According to the Evergrande Group's 2022 annual report, Evergrande Property accounted for approximately 70% of the group's total revenue, showcasing its significant contribution to the parent company's overall financial health.

Evergrande Property's success can be attributed to several factors. Firstly, the subsidiary has a strong presence in key markets across China, with a diverse portfolio of residential, commercial, and mixed-use projects. This strategic positioning has allowed Evergrande Property to capture a significant share of the domestic real estate market, which is the largest in the world by volume.

Secondly, Evergrande Property has demonstrated a consistent ability to generate profits, as evidenced by its robust financial performance. The subsidiary's net profit margin has been consistently higher than that of its peers, indicating its operational efficiency and cost control measures. According to data from the China Real Estate Association, Evergrande Property's net profit margin stood at 10.5% in 2022, compared to an industry average of 6.8%.

Furthermore, Evergrande Property has been proactive in diversifying its revenue streams, which has helped mitigate risks associated with the real estate market. The subsidiary has ventured into areas such as property management, smart home technology, and even healthcare, creating a more resilient business model. This diversification strategy has been instrumental in sustaining the subsidiary's growth, even during challenging economic conditions.

In conclusion, Evergrande Property is the best subsidiary of Evergrande Group due to its significant financial contribution, strong market presence, and strategic diversification. The subsidiary's ability to consistently generate profits and adapt to market changes positions it as a leader within the real estate industry.