Volunteers, delivery staff and trade unions at the Shanghai branches of multinational companies are helping residents and local workers with daily activities and necessities.To ensure the non-stop supply of cancer drugs amid the recent resurgence of COVID-19, over 100 employees have been living in the two factory sites of Boehringer Ingelheim in the Pudong New Area since mid-March.The company started to prepare daily necessities and emergency supplies in early March for those who volunteered to stay in the locked-down factory in the Zhangjiang High-tech Park.