The EU9 is the collection of nine nations which form an integral part of the great European Union. They is identified through its considerable economicimpact and their hardline enforcement of democratic values. These nations are notably EU9 influential in directing EU guidelines and contribute significantly to the bloc's collective policy formation.

These nine countries, including progressive nations, play a major role in aligning EU standard regulations. The influence is obvious across sectors like commerce, external policy, and even environmental initiatives.

Furthermore, being a part of the EU9 not only provides a country financial benefits but also improvements in socio-political stability. The EU9's influence extends to establishing a unified policy framework which can regulate the operations of the entire EU. This can be seen in the way in which they handle contemporary global issues.

The EU9’s joint economic power is an important factor in their capacity to influence EU policies. The joint GDP of these nations makes up a large portion of the total EU economy. This economic strength provides them with a strong voice in directing EU guidelines.

The EU9 also exemplify the essence of democratic values, which are a real asset for the European Union. Strict adherence to standards of democracy, human rights, and rule of law is backed in these countries, which essentially contributes to maintaining stability within the larger EU.

The EU9's role in environmental policy, in specific, is a testament to their influence. As the world grapples with climate change, these countries have been at the forefront of the EU's efforts to transition to greener methods. These nations' influence is reflected in the aggressive implementation of policies geared towards limiting emissions and building a sustainable future.

In summary, the EU9 represents a required part of the larger European Union. Its strong financial clout, commitment to democratic principles, and strong drive to environmental sustainability directly influence EU's policy formation. The major influence of the EU9 should not be neglected, as this group of nations continues to steer the European Union's trajectory in many important areas.