Core Viewpoint - The "zero tariff" policy for raw materials in Hainan has undergone significant upgrades, resulting in substantial tax exemptions and cost savings for companies, thereby enhancing their competitiveness and confidence in the local market [1][2][5]. Group 1: Policy Implementation and Impact - Since the implementation of the "zero tariff" policy, Hainan Airlines has imported 15 batches of goods worth 365 million yuan, saving 53.08 million yuan in taxes [1]. - The policy has led to the import of 1,063 batches of "zero tariff" raw materials worth 8.689 billion yuan, with a total tax exemption of 1.186 billion yuan as of June this year [2]. - The policy has expanded to cover a diverse range of industries, including petrochemicals, medical devices, and aviation materials, injecting new vitality into industrial development in Hainan [2]. Group 2: Service and Support Mechanisms - The Haikou Customs has established a comprehensive service mechanism to assist companies in understanding and applying the "zero tariff" policy, ensuring smooth implementation and compliance [3][6]. - Customized policy interpretation and one-on-one guidance are provided to enterprises based on their specific business needs, facilitating the effective application of the policy [3]. Group 3: Policy Evolution and Future Prospects - The "zero tariff" policy has evolved from its initial version to the current 3.0 version, expanding the product list from 169 items to 653 items, significantly increasing the scope of benefits [4][5]. - The latest adjustments to the policy have relaxed certain restrictions, allowing for broader applicability and enabling more companies to benefit from the tariff exemptions [6].