1. Limited portfolio - Tantalex Resources Corporation has a limited portfolio of assets compared to its peers, which may limit its growth potential.

2. Lack of diversification - The company's focus on tantalum and lithium mining may leave it vulnerable to fluctuations in commodity prices and market demand.

3. Geographic concentration - Tantalex Resources Corporation's operations are concentrated in Africa, which exposes it to political and economic risks in the region.

4. Limited financial resources - The company has limited financial resources compared to its peers, which may limit its ability to invest in exploration and development activities.

5. Lack of established partnerships - Tantalex Resources Corporation has yet to establish significant partnerships with other mining companies or industry players, which may limit its access to resources and expertise.

6. Limited production capacity - The company's current production capacity is relatively small compared to its peers, which may limit its ability to compete in the market.

7. Regulatory challenges - The mining industry is subject to strict regulations, and Tantalex Resources Corporation may face challenges in obtaining necessary permits and complying with environmental and social standards.