Group 1 - RCEP has officially come into effect, leading to significant tariff reductions and enhanced utilization of origin accumulation rules by companies, particularly in Shandong province [1][2] - The total trade value between China and ASEAN reached 6.82 trillion yuan, with an 8.5% increase, making ASEAN China's largest foreign trade market [1] - Companies like Linyi Shansong Biological Products Co., Ltd. have benefited from a 5% tariff reduction on soybean protein exports to ASEAN countries, resulting in a steady increase in export orders [2] Group 2 - RCEP has introduced various trade facilitation measures, including self-declaration of origin by approved exporters and expedited customs clearance, which have lowered trade costs and barriers [3][4] - Qingdao Jiaodong International Airport has become a key hub for diamond imports, with companies like Linyi Blue Rose Huaxing Diamond Jewelry Co., Ltd. utilizing RCEP channels to import 607,000 carats of rough diamonds [3][4] - The integration of RCEP with existing bilateral trade agreements has expanded the scope of origin accumulation, facilitating higher quality regional trade [5] Group 3 - Companies such as Qingdao Kaichuang Food Co., Ltd. have leveraged RCEP's origin accumulation rules to avoid a 5% import tariff on canned fruit exports to Australia, resulting in a 27.6% increase in imports from ASEAN countries [6] - The textile industry has seen cross-border supply chain integration due to RCEP, allowing domestic textile materials to be supplied to overseas processing plants in Southeast Asia [6] - Qingdao Customs has actively promoted RCEP policies to 1,766 companies, helping 173 import enterprises achieve tariff benefits for the first time [6] Group 4 - From 2022 to November 2025, customs in Qingdao and Jinan have applied RCEP tariff rates to imported goods worth 20.94 billion yuan, resulting in a tax reduction of 840 million yuan [7]