Black soybeans are a type of legume that is primarily grown in Asia, including China, Japan, and Korea. They are a rich source of plant-based protein, fiber, and essential vitamins and minerals, including iron, calcium, and magnesium. Black soybeans are also known for their high antioxidant content, which can help to protect the body from damage caused by harmful free radicals.

In terms of production, China is one of the largest producers of black soybeans, followed by Japan and Korea. China has the capacity to supply large quantities of black soybeans to meet global demand, and is a major exporter of this product.

China’s advantage in black soybean exports comes from its advanced production technology and large-scale cultivation. In addition, Chinese black soybeans have a high quality and competitive price, making them a popular choice in the global market.

In conclusion, black soybeans are a nutritious legume that is primarily grown in Asia, with China being one of the largest producers and exporters. They are a rich source of protein, fiber, and antioxidants, and offer several health benefits. With advanced production technology and high-quality products, China has a competitive advantage in the global black soybean market.