China’s Contemporary Amperex Technology (CATL), the world’s largest producer of batteries for electric vehicles and a supplier for Tesla, has applied for a listing in Hong Kong, setting sights on one of the city’s largest stock offerings in years.

The world’s largest maker of EV batteries has applied for a secondary listing in Hong Kong, joining the ranks of Chinese companies looking to tap the city’s fundraising markets.

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The long-awaited filing by CATL, as the world’s top electric-vehicle battery maker is known, comes amid a rally in Hong Kong’s stock market.

Hong Kong’s post office has announced it would continue to suspend shipping items containing goods to the United States until further notice, despite its American counterpart having reversed its ban on packages from the city and other parts of China.

Chinese battery giant CATL is expected to raise at least $5 billion in a Hong Kong listing, according to two sources with direct knowledge of the matter. CATL did not immediately respond to a request for comment from Reuters.