July 22, 2016, China Classification Society (CCS) awarded the world's first low-speed marine diesel engine selective catalytic reduction (SCR) system principle Certificate of Accreditation to Sunrui Marine Environmental Engineering Co., Ltd. (hereinafter referred to as Sunrui company). This indicates that the SCR series products of Sunrui fully meet the relevant standards of IMO diesel engine NOX emission regulations TIER III, as well as the safety and reliability of marine equipment claimed by Classification Society, in terms of system design, catalyst performance and control strategy.