Fireworks are a tradition on the Fourth of July, but the price of putting on a show is becoming more expensive for pyrotechnics companies.

Millions will gather across the U.S. for the dazzling sights of fireworks to mark the Fourth of July, but the tradition relies almost exclusively on China. The Asian country makes nearly all of the fireworks that are used in the U.

Fireworks buffs may get less bang for their buck this Fourth of July due to the United States' ongoing tariff war with China, a study said.