Norway, Dec. 4 -- DNV has granted a Type Approval Design Certificate (TADC) to CSSC Shanghai Marine Energy Saving Technology Co., Ltd. (CMES-Tech) for its new 5m x 35m Tilting Type Wind Assisted Rotor System. This is the first domestically developed rotor sail system in China to achieve this recognition under DNV's WAPS rules (ST-0511). With this certification, the system is confirmed ready for installation on DNV classed commercial vessels and marks a major milestone for China's green-shipping technology industry.As shipping faces mounting pressure from fuel costs and emissions regulations, the demand for reliable and efficient wind-assisted propulsion systems is rising globally. Recent years have seen a growing number of WAPS solutions ce...