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瑞银:AI浪潮引爆PCB铜箔,首次覆盖德福科技

瑞银:AI浪潮引爆PCB铜箔,首次覆盖德福科技

瑞银最新报告指出,铜箔行业正经历一场深刻的结构性转变,市场定价存在显著偏差。AI基础设施的爆发式增长,正将高端PCB铜箔(尤其是HVLP超低轮廓铜箔)推向供不应求的“超级周期”;与此同时,曾经历低谷的电池铜箔,也因储能需求强劲和产能转向PCB而迎来盈利底部反转。瑞银据此首次覆盖国内HVLP龙头德福科技。

一、 风暴眼:AI服务器如何重塑PCB铜箔价值链?

一切故事的起点,都源于那个改变世界的词汇:人工智能(AI)

AI服务器的算力竞赛,不仅仅是芯片的战争,更是其“神经网络”——印刷电路板(PCB) 的全面升级。与传统服务器相比,AI加速器需要极高的数据传输速度和极低的信号损耗,这对PCB的核心材料覆铜板(CCL) 和其更上游的铜箔提出了前所未有的高要求。

关键升级路径:从“M6/M7”到“M9+”,从“RTF”到“HVLP4+”报告揭示,随着英伟达产品从H100迭代至GB200、GB300乃至未来的Rubin平台,PCB所需的CCL等级从M6/M7一路攀升至M8/M9+,而铜箔则从常规铜箔(RTF)向超低轮廓铜箔(HVLP1至HVLP4+) 快速演进。等级越高,铜箔表面粗糙度(Rz)越低,信号传输损耗越小,但技术壁垒和加工费也呈指数级增长。

更关键的是“含量增长”超越“数量增长”瑞银强调,对于材料供应链而言,“含量增长”比服务器“数量增长”更重要。新一代AI平台不仅使用更高等级的CCL和铜箔,PCB的层数也在不断增加(例如从18层到30层以上),这意味着每台AI服务器消耗的高端铜箔价值量在大幅提升

需求端的“火上浇油”:巨头资本开支指引强劲全球顶级云服务提供商(CSP)的资本开支是AI基础设施需求的晴雨表。瑞银估计,头部巨头2026年资本开支将高达8270亿美元,同比增长61%,且共识预期仍在持续上调。这预示着AI建设并非短期热潮,而是在持续扩大和深化。

二、 供给僵局:高端HVLP铜箔的“稀缺游戏”

面对喷薄而出的需求,供给端却显得异常“冷静”甚至“保守”。

格局高度集中,海外龙头扩产谨慎全球高端HVLP铜箔的供应,80%以上掌握在日本三井金属、古河电气、CFL和中国台湾的Co-Tech等少数几家合格供应商手中。作为最大供应商,三井金属的扩产计划被瑞银形容为“相当保守”:计划从2025年的月产能620吨增至2028年的1200吨,年化增长率仅约20%,远低于瑞银预期的60%的需求年复合增长率

国内玩家奋力追赶,但验证壁垒高筑中国厂商在HVLP领域仍在追赶。德福科技和铜冠铜箔已在国内同行中领先,于2025年开始批量交付HVLP1&2产品,并有望在2026年实现HVLP3&4的供货。而诺德股份、嘉元科技等仍处于验证早期阶段。

HVLP产品的客户验证周期长达1.5至3年,极高的技术诀窍和漫长的认证过程,构成了坚实的短期进入壁垒,使得供给无法对需求激增做出快速反应。

持续短缺与涨价动力瑞银预测,HVLP铜箔在2026-2027年将面临10-15%的供给缺口,而最高端的HVLP4缺口更大,将达到35-42%。2025年已出现多轮供应商提价,预计在持续供需失衡下,高额的加工费(HVLP3/4可达10万元/吨以上)有望进一步上涨

三、 意外转折:电池铜箔的“绝地反击”

就在AI需求点燃PCB铜箔的同时,另一个曾陷入低迷的市场——电池铜箔,也悄然迎来了转机。

需求新引擎:储能(ESS)爆发2025年中国电池产量增长66%,其中储能电池产量增长75%,成为核心驱动力。进入2026年,电池排产计划依然强劲。储能需求的持续高增长,为电池铜箔提供了稳固的需求底。

供给端“釜底抽薪”:产能迁移与扩张放缓反转的更关键力量来自供给端:

  1. 扩张刹车
    经历2021-23年的激进扩产后,行业盈利下滑,新增产能公告显著放缓。
  2. 产能“移民”
    由于PCB铜箔(尤其是RTF/HVLP)的加工费(5-10万元/吨)远高于电池铜箔(约2万元/吨),部分生产商(如乐天、铜冠)已开始将电池铜箔产线转为PCB铜箔产线。这直接减少了电池铜箔的有效供给。

行业盈利底部已现,ROE有望回归瑞银预测,2026/27年电池铜箔需求增长为28%/24%,而供给增长仅为9%/20%。行业产能利用率(UTR)将从2025年的约80%提升至2027年的94%。供需格局改善推动加工费在2025年四季度已环比回升约1000元/吨,预计2026年平均加工费将进一步恢复。同时,4.5μm等超薄铜箔产品渗透率提升,也为具备技术优势的公司(如德福、诺德)带来了产品结构升级的额外利润空间。

四、 产业启示

  1. 德福科技(301511.SZ) - 首次覆盖

    • 核心发展逻辑
      国内HVLP领军者,产品结构优异(高端电池箔+HVLP PCB箔双重曝光)。已向松下等客户供应HVLP3&4产品,并与国内领先CCL厂商签订供货协议,充分受益于AI驱动的PCB升级。同时,其电池箔业务也将随行业复苏而回暖。
  2. 诺德股份(600110.SS) 

    • 核心逻辑
      电池箔基本面的改善有望提振整个板块的盈利。

德福、铜冠、诺德、中一科技在产能、利润结构、估值等方面的详细对比请见报告原文。

周期的轮回与成长的交响

铜箔的故事,从未如此充满张力。一边是代表未来科技的AI,以摧枯拉朽之力拉动需求曲线陡峭向上;另一边是代表能源革命的电池,在经历阵痛后依靠储能焕发第二春。两者共同作用,正在重塑这个曾经看似传统的材料行业。

供给的刚性遇上需求的弹性,技术的壁垒遇上时代的浪潮。这不仅仅是简单的周期反转,更是一场由技术迭代和全球产业趋势共同驱动的结构性成长机遇。

市场或许尚未完全定价这场变革的深度与广度,而故事,才刚刚进入最精彩的章节。

如需获取完整《瑞银-中国PCB材料亚太聚焦:铜箔——从电池颓势转向AI增益》报告,关注公众号后私信小编加入知识星球

免责声明:本文内容基于公开报告/纪要整理,仅为信息分享。文中观点基于报告/纪要翻译与总结,或有不正确之处,请以原文为准。所有内容包括评级随时会有调整,不构成任何具体的投资建议。
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  1. CONNECT:[ UseTime:0.000896s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000939s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000331s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000285s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000485s ]
  6. SELECT * FROM `set` [ RunTime:0.000207s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000687s ]
  8. SELECT * FROM `article` WHERE `id` = 507283 LIMIT 1 [ RunTime:0.002180s ]
  9. UPDATE `article` SET `lasttime` = 1775783454 WHERE `id` = 507283 [ RunTime:0.018053s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.007394s ]
  11. SELECT * FROM `article` WHERE `id` < 507283 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000670s ]
  12. SELECT * FROM `article` WHERE `id` > 507283 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.008464s ]
  13. SELECT * FROM `article` WHERE `id` < 507283 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.044476s ]
  14. SELECT * FROM `article` WHERE `id` < 507283 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001400s ]
  15. SELECT * FROM `article` WHERE `id` < 507283 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000877s ]
0.290913s