What are the trade exchanges between Tangshan and Hainan?

Agricultural products, industrial products and so on.

Agricultural products trade: Tangshan is an important agricultural city in Hebei Province, which is rich in agricultural products resources such as wheat, corn and cotton. Hainan Province is a tropical agricultural province, rich in tropical fruits, coffee, tea and other agricultural products. The two places can carry out complementary trade in agricultural products to meet each other's market demand.

Industrial Trade: Tangshan is an important industrial city in the north of China, with steel, machinery, chemical industry and other industries as the leading industries. Hainan province focuses on developing tourism, high-tech industries and modern service industries. Industrial products can be traded between the two regions to promote industrial cooperation and upgrading.