Core Viewpoint - The successful export of 55.25 tons of polypropylene by Sinopec Hainan Refining and Chemical Co., using the "split out and centralized declaration" model, marks the first instance of this customs clearance method in Hainan Free Trade Port [1]. Group 1: Customs Innovation - The "split out and centralized declaration" model is a customs supervision innovation implemented for "second line" ports after the closure operation of Hainan Free Trade Port [1]. - This model is primarily applicable to high-certification enterprises and those on the "white list" credit rating list, covering zero-tariff goods and processed products benefiting from tax exemption policies [1]. Group 2: Logistics Efficiency - The new customs model allows enterprises to handle export procedures in batches as needed, followed by centralized customs declaration within a specified timeframe, which is particularly beneficial for production-oriented companies with small batch and frequent export needs [1]. - This approach is expected to enhance logistics efficiency significantly [1]. Group 3: Future Developments - Customs will continue to conduct various policy briefings for enterprises and explore more facilitative customs clearance measures to unleash policy dividends [1]. - The aim is to promote the development and expansion of Hainan's unique and advantageous industries, contributing to the high-quality development of Hainan Free Trade Port [1].