China Classification Society Shanghai Branch, together with Shanghai Ocean Shipping Co., Ltd. and relevant personnel of COSCO Energy, researched and analyzed the relevant requirements of the circular, and combined with the characteristics of the company and the type of ship, helped the shipping company to prepare separately in a short period of time. A preliminary draft of the ship implementation plan for container ships and tankers. In order to make the ship implementation plan more instructive and operative, it will be further modified and improved in accordance with the unified deployment of the headquarters in the next step, in preparation for the shipowner's 0.50% sulfur content limit in accordance with MARPOL Annex VI. Provide high quality technical support and guidance at work.