《方案》中与仪器相关的商品主要集中在进口暂定税率表、税目调整表中，核心涉及测量、医疗、工业检测等类别，具体如下： 一、核心仪器类（进口暂定税率表） 1. 测量/计量仪器 ◦ 三坐标测量机用平衡气缸、自动控制柜（税则号列84123100、90328990） ◦ 机床用可编程序控制器（PLC）、数控单元（85371011、85371019） ◦ 气体流量阀（半导体/集成电路制造专用，84818039） ◦ 轮廓投影仪、光栅测量装置（90328990） 2. 医疗仪器及组件 ◦ 医用直线加速器用磁控管、高压固态调制器系统（862、90229090） ◦ 数字化X射线摄影系统平板探测器、X射线断层检查仪专用探测器（90229090） ◦ 医用可解脱弹簧圈、颅内取栓支架、伞形下腔静脉滤器（90189099） ◦ 人造关节、人造血管、人工心脏瓣膜（90213100、90213900） ◦ 诊断试剂盒（甲型肝炎/乙型肝炎/丙型肝炎/人类免疫缺陷病毒/梅毒螺旋体，38221900） 3. 工业检测/加工仪器 ◦ 半导体检测分选编带机（84224000） ◦ 光刻机用光斑调节装置、电机控制器（90138090、90328990 ...

Core Viewpoint - The article discusses the "2026 Tariff Adjustment Plan" released by the State Council Tariff Commission, which will be implemented starting January 1, 2026, focusing on tariff reductions for various instruments related to measurement, medical, and industrial testing categories [1][20]. Group 1: Core Instrument Categories - Measurement/Metrology Instruments include items such as coordinate measuring machines, programmable logic controllers (PLC), and gas flow valves specifically for semiconductor/integrated circuit manufacturing [1][2]. - Medical Instruments and Components cover devices like medical linear accelerators, digital X-ray imaging systems, and diagnostic kits for various diseases [8]. - Industrial Testing/Processing Instruments are also included, although specific examples are not detailed in the provided text [3]. Group 2: Tariff Adjustments - The adjustment plan includes a reduction in tariffs for 935 items, excluding tariff quota goods, with specific reductions for key components and advanced materials [9][10]. - Tariffs on medical products such as artificial blood vessels and certain diagnostic kits will also be lowered, enhancing the affordability of these essential items [12]. - The plan aims to stimulate domestic consumption by reducing import costs, with an expected increase in import volumes by 15-20% for related categories due to lower tariffs [6]. Group 3: Special Tariff Rates - The plan continues to provide zero-tariff treatment for 100% of products from 43 least developed countries, maintaining preferential tariff rates for certain imports from ASEAN member countries and other trade partners [19][18]. - The agreement includes further tariff reductions based on existing free trade agreements with countries like New Zealand, Peru, and Australia, among others [17].