2024年底為止有87萬大陸人在日本,2022年時是76萬,預計超1mm到2026。移民日本最多的是大陸。

來源: 2025-05-17 20:42:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

沒落的日本,沒落的德國,沒落的美國,這怎麽解釋?

再看看ChatGPT 和 ds 上寫的:

Japan continues to lead or outperform China in several high-tech, precision-based, and specialty product sectors. While China has rapidly advanced in many areas, Japan maintains an edge in products that require extreme precision, reliability, and long-term R&D investment.

 

Here are key product categories where Japanese technology is still considered more advanced than China’s:

 

 

 

 

1.  

Semiconductor Equipment & Materials

 

 

  • Leaders: Tokyo Electron, Nikon, Canon, SCREEN Holdings, Shin-Etsu, JSR, Sumco
  • Why Japan leads: Japan dominates in the high-precision equipment and specialty materials (like photoresists, wafers, and polishing chemicals) essential for chip manufacturing.
  • Example: Over 80% of global photoresist supply comes from Japan.

 

 

 

 

 

2.  

Precision Machinery & Industrial Robots

 

 

  • Leaders: Fanuc, Yaskawa, Mitsubishi Electric, Kawasaki Robotics
  • Why Japan leads: Japanese industrial robots are known for unmatched reliability, precision, and long service life.
  • Example: Japan is still a top exporter of industrial robots, especially to high-precision manufacturing sectors like automotive and electronics.

 

 

 

 

 

3.  

High-end Optics & Imaging Technology

 

 

  • Leaders: Nikon, Canon, Olympus, Fujifilm
  • Why Japan leads: Decades of R&D in optics and micro-imaging allow Japanese companies to make world-class camera lenses, medical endoscopes, and microscopes.
  • Example: Olympus dominates the global market for gastrointestinal endoscopes with a 70%+ market share.

 

 

 

 

 

4.  

Automotive Components & Hybrid Technology

 

 

  • Leaders: Toyota, Denso, Aisin, Hitachi Astemo
  • Why Japan leads: Japan excels in hybrid vehicle systems, powertrains, and ultra-reliable automotive parts.
  • Example: Toyota’s hybrid systems are still more efficient and time-tested than most Chinese equivalents.

 

 

 

 

 

5.  

Material Science & Specialty Chemicals

 

 

  • Leaders: Toray, Asahi Kasei, Mitsubishi Chemical, Teijin
  • Why Japan leads: Japan supplies cutting-edge carbon fiber, high-performance plastics, and specialty membranes.
  • Example: Toray is the global leader in carbon fiber, used in aerospace and electric vehicles.

 

 

 

 

 

6.  

Watchmaking & Micro-mechanics

 

 

  • Leaders: Seiko, Citizen, Casio
  • Why Japan leads: Japan still leads in high-precision timepieces, especially in quartz and kinetic watch innovation.

 

 

 

 

 

7.  

Healthcare & Diagnostic Devices

 

 

  • Leaders: Fujifilm, Shimadzu, Hitachi, Canon Medical
  • Why Japan leads: High-end medical imaging (MRI, CT, endoscopy) technology from Japan is globally respected.
  • Example: Fujifilm is a leader in digital radiography and diagnostics.

 

 

 

 

 

In Summary:

 

 

While China is catching up and even surpassing Japan in consumer electronics, EVs, and mass production scale, Japan still excels in:

 

  • Niche, high-precision industries
  • Long-cycle R&D-based innovation
  • Trusted quality in B2B and industrial components

數控機床(CNC machine tools),日本依然在多個關鍵領域領先於中國,尤其是在高端數控係統、超精密加工、核心零部件製造等方麵。下麵是詳細對比和分析:

 

 

 

 

日本數控機床的優勢

 

 

 

1. 

高精度與穩定性

 

 

  • 日本數控機床如 OKUMA(大隈)、DMG MORI(原森精機)、Yamazaki Mazak(山崎馬紮克) 以超高的加工精度、極高的設備穩定性 和 長壽命 著稱。
  • 精度可達到微米級,適用於航空航天、精密模具、醫療器械等領域。

 

 

 

2. 

先進的控製係統

 

 

  • 日本企業如 FANUC(發那科)和三菱電機 提供全球領先的數控係統,與機床高度集成。
  • FANUC 控製係統穩定、反應速度快,廣泛應用於歐美高端設備,也是世界CNC控製器的標準之一。

 

 

 

3. 

核心零部件自給率高

 

 

  • 如絲杠、導軌、電主軸、伺服驅動器、精密刀庫等,幾乎都為自主製造,保證整機協同與質量。

 

 

 

4. 

行業品牌影響力強

 

 

  • 如 Mazak 和 OKUMA 擁有極高的國際市場份額,是世界高端五軸聯動、複合加工中心的代表品牌。

 

 

 

 

 

中國數控機床的現狀

 

 

 

? 1. 

中低端為主

 

 

  • 中國品牌如 大連機床、沈陽機床、北一、濟南二機、廣州數控(GSK) 在中低端市場占有率高,主要滿足國產替代和通用加工需求。
  • 加工精度、穩定性、可靠性與日本品牌仍有差距,尤其是在高溫長時間運轉、高動態響應方麵。

 

 

 

? 2. 

高端CNC係統依賴進口

 

 

  • 中國雖有自主控製係統如華中數控、寶元等,但與 FANUC、Siemens 在複雜加工控製、軟件生態、用戶界麵等方麵仍有差距。
  • 高端五軸聯動、複合加工設備仍依賴進口。