Sign up now for FREE unlimited access to Reuters.com Register SHANGHAI, March 28 (Reuters) – US automaker Tesla (TSLA.O) is suspending production at its Shanghai plant for four days after the financial hub said on Sunday it would lock in two stages to conduct mass tests for COVID. 19, two said people who know the subject. The company has notified its employees and suppliers of the move, people said. He initially tried to create a closed loop to continue production and called in workers on Sunday, one source said. However, he allowed them to leave that night after deciding he did not have enough supplies for them, the source added. Sign up now for FREE unlimited access to Reuters.com Register Tesla declined to comment on whether production had stopped. She told Reuters that she had always tried to live up to her responsibilities in preventing the epidemic and that she believed Shanghai measures for COVID-19 had helped lay the groundwork for the city’s future development. Shanghai said Sunday it would lock the city in two stages to conduct a COVID-19 test over a nine-day period. Authorities said they would split Shanghai in two for the exercise, using the Huangpu River that flows through the city as a guide. The Tesla plant is located in Lingang District of the new Pudong District, which is part of Shanghai’s first lockdown stage. His lockdown started early Monday and is scheduled to last until Friday morning. Tesla had already suspended production at the Shanghai plant in mid-March for two days after the city imposed strict traffic controls and carried out mass tests. read more Its Shanghai plant produces cars for the Chinese market and is also a major export hub to Germany and Japan. Delivered 56,515 vehicles in February, of which 33,315 for export, according to the China Passenger Car Association. This amounts to an average of about 2,018 vehicles per day. Sign up now for FREE unlimited access to Reuters.com Register Report by Zhang Yan and Brenda Goh. Edited by: Himani Sarkar and Gerry Doyle Our role models: The Thomson Reuters Trust Principles.