Lobstermen put lobsters into boxes at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector. (Photos: Xinhua)

Workers of Stonington Lobster Coop collect lobster traps from a lobster boat at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.

A lobsterman shows a lobster on his boat at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.

Hugh Reynolds, owner of Greenhead Lobster, works at his office in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.

Workers of Stonington Lobster Coop move boxes of lobsters to a conveyor belt at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.

A lobsterman measures the size of a lobster on a lobster boat at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.

Lobstermen put lobsters into boxes at a dock in Stonington of Maine, the United States, Feb. 4, 2020. Lobster dealers from the northeastern U.S. town of Stonington, Maine, were excited to learn that the China-U.S. phase-one economic and trade deal came into effect on Feb. 14. According to the deal, China promises to purchase more agricultural products from the United States, and lobster is highlighted in the sector.