While U.S. fastener importers and distributors are no longer facing a significant hike on tariffs for fasteners manufactured in China, the original 10% duties are likely to remain for a “substantial period of time.”

The Section 301 tariffs of 10% on $200 billion worth of Chinese goods, including a majority of fasteners manufactured in China, were scheduled to increase to 25% on March 1, 2019.

President Donald Trump extended the deadline, citing “substantial progress” in negotiations between the two countries, the Associated Press reports.

Days later, the U.S. Trade Representative’s office moved to formally suspend a scheduled tariff increase on Chinese goods “until further notice,” Reuters reports.

But the original tariff of 10% will continue for a “substantial period of time because we have to make sure that if we do the deal with China that China lives by the deal,” Trump stated in late March.

Trump sent “top representatives” to China to continue talks, confirming earlier administration statements that U.S. Trade Representative Robert Lighthizer and Treasury Secretary Steven Mnuchin would be returning to Beijing for negotiations next week.

However, China is believed to be reluctant to address Trump’s demands — or to remove its retaliation against $110 billion of U.S. exports — if the U.S. duties are left in place, according to Politico.

White House chief economic adviser Larry Kudlow said a tentative agreement had been reached with China on how a broader pact would be enforced. That agreement features proposals that would allow the United States to impose certain duties if Beijing is found to have violated its commitments — and China would not be permitted to retaliate, Politico reports.

The Section 301 duties, imposed by President Trump on September 24, 2018, are the third round of Section 301 tariffs on Chinese goods. China immediately retaliated with a tariff on U.S. goods.

U.S. fastener importers and distributors responded to the Section 301 tariffs on Chinese fasteners by raising prices to cover replacement costs for products in their inventories.

As soon as the tariff took effect, Brighton-Best International, the largest importer of Chinese fasteners to the U.S., notified its customers of a 10% price increase.

Fasteners are listed among the 6,031 tariff codes affected by Section 301 tariffs.