Major Chinese car manufacturers have pledged to make payments to suppliers within 60 days, responding to a recent outcry from steelmakers over long payment times as well as regulatory pressure as the backlash to a brutal price war grows.

The Chinese practice of selling brand new cars as heavily discounted second-hand vehicles to get rid of inventory should be ended, the official newspaper of the country’s governing Communist Party said in an article published on Thursday.

Hyundai Motor has a rare earths stockpile that can last about a year and it does not expect any near-term impact from global supply chain disruptions caused by China’s export curbs, said a person who attended a company investor call.

Chinese electric-vehicle makers led by BYD beat Tesla in the competition to produce affordable electric vehicles. Now, many of those same fierce competitors are pulling into the passing lane in the global race to produce self-driving cars.

China’s car sales rose for a fourth consecutive month in May, but slower increases across major automakers highlighted concerns over aggressive price competition in the world’s largest auto market.

Frank Eckard, CEO of a German magnet maker, has been fielding a flood of calls in recent weeks. Exasperated automakers and parts suppliers have been desperate to find alternative sources of magnets, which are in short supply due to Chinese export curbs.

China’s critical-mineral export controls have become a focus on Trump’s criticism of Beijing, which he says has violated the truce reached last month to roll back tariffs and trade restrictions.

Some U.S. industry figures believe that the bureaucratic backlog is a “strategic excuse”. A source from the U.S. rare earths industry said, “China can staff up as fast as they want, if they wanted to.”

A group representing auto suppliers warned the issue could quickly disrupt auto parts production.

Global manufacturers have raised the alarm on China’s decision to curb exports of rare earths alloys, mixtures and magnets.