Shanghai Resolve-Shengmin OSRO Company, Ltd. (SRSOC), a Level 1 Ship Pollution Response Organization (SPRO), has introduced its wide network of Ship Pollution Response Organization (SPRO) partners throughout China. Known as "One Call", the consortium can now arrange China Maritime Safety Administration (MSA) certified Level 1 SPRO coverage for ships calling in any coastal port in the People's Republic of China (PRC). Since January 2012, SRSOC has offered statutorily required ship pollution response readiness in Shanghai and most China ports.