The global brass market is also worth billions of dollars, and the demand for brass is expected to continue to grow in the coming years. The major exporters of brass include India, China, and South Korea. The major importers of brass include the United States, Germany, and Italy.

The import and export of copper and brass is subject to a variety of regulations, including tariffs, quotas, and licenses. The specific requirements vary from country to country.

Here are some of the factors that affect the supply and demand of copper and brass in the global market:

• Economic growth: As economies grow, the demand for copper and brass tends to increase.
• Industrial production: The production of copper and brass-intensive products, such as electrical equipment and automobiles, also increases the demand for these metals.
• Construction: The construction industry is a major consumer of copper and brass, so the level of construction activity also affects the demand for these metals.
• Government policies: Government policies, such as tariffs and quotas, can also affect the supply and demand of copper and brass.

Here are some of the challenges faced by the global copper and brass industry:

• Environmental concerns: The mining and production of copper and brass can have a negative impact on the environment.
• Competition from substitutes: There are a number of substitutes for copper and brass, such as aluminum and plastics.
• Price volatility: The price of copper and brass can be volatile, which can make it difficult for businesses to plan for the future.

Despite these challenges, the global copper and brass industry is expected to continue to grow in the coming years. The increasing demand for these metals from emerging economies, such as China and India, will be a major driver of growth.