The interest rate hike in the United States has increased the value of palm oil futures. The appreciation of the dollar pushed up palm oil futures. Because palm oil is an imported commodity in China, its price is usually affected by the relationship between supply and demand in the international market, and foreign exchange rate is also one of the important factors. Therefore, with the gradual appreciation of the US dollar, the futures price of palm oil is also rising. The capital of the United States, Washington. Located in the middle of North America, it is bordered by Canada in the north, the Gulf of Mexico in the south, the Pacific Ocean in the west and the Atlantic Ocean in the east. Most areas have a continental climate and the subtropical climate in the south. The terrain is generally high in the west and low in the east, with abundant natural resources. The proven total reserves of mineral resources rank first in the world.