In support of the company's campaign calling upon employees to "Think Green, Act Green", On the World Environment Day, June 5th of 2009, Siemens launched an employee activity "Batteries for Bulbs" to call for actions towards environmental protection. Batches of used battaries were collected in exchange for energy saving bulbs of OSRAM, a Siemens affiliated company. More than 300kg of used batteries were collected from employees across Beijing, Shanghai and Guangzhou. These used batteries were delievered for centrally disposal by a professional recycling company.(June 2009)