Japan wire and cable industry Report Interpretation

Overview

This data update assesses Japan’s July trade statistics for optical fiber, optical cable and connector products. Morgan Stanley concludes that export values retreated from extraordinary June records but remained exceptionally strong, supporting its Attractive view of the wire and cable industry while cautioning against treating one month of data as a stand-alone catalyst.

Core views

Japan’s July revised trade data showed continued strength in the optical-fiber supply chain despite sequential declines from June’s record levels. Optical fiber/optical fiber cable connector exports under HS code 85367000 totaled ¥5.6bn, up 61% year on year and up 79% year on year on a three-month average basis, though down 8% month on month. Morgan Stanley notes that this was still the second-highest monthly level on record. Tokyo Customs accounted for ¥5.4bn and Nagoya Customs about ¥0.1bn; the report infers that Tokyo-cleared shipments were from Fujikura and Sumitomo Electric, while Nagoya shipments were from Furukawa Electric. Optical fiber/cable exports were ¥10.4bn, up 42% year on year and up 64% year on year on a three-month average basis, but down 27% month on month. Optical cable contributed ¥5.7bn and optical fiber ¥4.7bn. Like connectors, the combined category was the second-highest level on record, indicating that the June decline did not erase the broader strength in export demand. The report links buoyant connector demand to AI-server cross-connectivity, which it says requires several times more connectors than usual, and notes that exports to Asia remained brisk. For key optical cable products, total exports were ¥3.6bn, including ¥1.6bn from Tokyo Customs, ¥1.5bn from Yokohama, ¥0.02bn from Nagoya, ¥0.37bn from Moji and ¥0.06bn from other locations. Morgan Stanley believes North American and Western European exports were likely driven by ultra-high-density cable shipments: North American volumes were mainly shipments to hyperscale data centers by Sumitomo Electric and Fujikura, while Western European shipments were to BT Group by Fujikura. The customs-office breakdown is used to connect trade trends with Japanese production sites. Morgan Stanley associates Tokyo and Yokohama Customs with Sumitomo Electric and Fujikura, particularly for ultra-high-density cable shipments; Moji with OCC, the NEC/Sumitomo Electric joint venture and Japan’s sole submarine optical-cable producer; and Nagoya with Furukawa Electric’s Mie Works. The report also notes that Furukawa’s US subsidiary OFS handles most of its business, limiting domestic-site export volumes. Other tracked categories were more limited. Fusion-splicer exports from Kumamoto were ¥0.74bn, up 9% year on year, up 35% on a three-month average basis and up 6% month on month; Yokohama exports were about ¥0.2bn, up 123% year on year and up 230% on a three-month average basis but down 51% month on month. Morgan Stanley does not use the overall HS-code total because it includes arc welders and other equipment. Power-cable exports above 1kV totaled ¥0.99bn. Morgan Stanley’s industry implication is constructive but measured: both major optical categories remained near record highs after June, yet single-month results can fluctuate widely and are not sufficient by themselves to be a catalyst. The firm therefore calls for continued monitoring of the trade-data trend.

Analysis framework

Morgan Stanley reviews Japan Ministry of Finance revised July customs data by product HS code, growth rate and customs office. It then infers likely manufacturer and destination exposure from shipment locations and production footprints, using the data to assess demand conditions across optical fiber, cable and connector markets.

Methodology notes

• Other

  Customs-data tracking and shipment attribution

  The report uses monthly export values by HS code and customs office, then links likely shipment flows to manufacturers, production sites and end markets to interpret demand.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• Fujikura

  Morgan Stanley infers that Tokyo and Yokohama customs shipments, including high-density cable exports to North America and Western Europe, partly reflect Fujikura activity.

  Strengths

  Linked by the report to likely high-density cable shipments.

  Comparison

  Shares Tokyo/Yokohama shipment exposure with Sumitomo Electric; Western European shipments are attributed to Fujikura.

  Risks

  Monthly trade data can fluctuate widely.

• Sumitomo Electric

  Morgan Stanley infers that Tokyo and Yokohama customs data partly reflect Sumitomo Electric shipments, including exports to North American hyperscale data centers.

  Strengths

  Linked by the report to likely high-density cable shipments and AI-related data-center demand.

  Comparison

  Shares Tokyo/Yokohama shipment exposure with Fujikura.

  Risks

  Monthly trade data can fluctuate widely.

• Furukawa Electric

  Morgan Stanley associates Nagoya Customs shipments with Furukawa Electric’s Mie Works.

  Weaknesses

  The report says OFS, its US subsidiary, handles most of its business, so exports from domestic sites are likely limited.

  Comparison

  Nagoya-based domestic export exposure appears smaller than Tokyo and Yokohama shipment flows.

  Risks

  Monthly trade data can fluctuate widely.

Key data

• Optical fiber/connector exports¥5.6bn+61% YoY; three-month average +79% YoY; -8% MoM; second-highest level on record.
• Optical fiber/cable exports¥10.4bn+42% YoY; three-month average +64% YoY; -27% MoM; second-highest level on record.
• Optical cable and optical fiber split¥5.7bn and ¥4.7bnComponents of July optical fiber/cable export value.
• Key optical cable product exports¥3.6bnTokyo ¥1.6bn, Yokohama ¥1.5bn, Nagoya ¥0.02bn, Moji ¥0.37bn and other ¥0.06bn.
• Fusion-splicer exportsKumamoto ¥0.74bn; Yokohama about ¥0.2bnKumamoto: +9% YoY, +35% three-month average YoY, +6% MoM. Yokohama: +123% YoY, +230% three-month average YoY, -51% MoM.
• Power-cable exports above 1kV¥0.99bnTotal July export value.

Impact & implications

The report views near-record export levels as evidence of strong optical-fiber and connector demand, including demand associated with AI-server connectivity and high-density cable shipments. However, it emphasizes that monthly export outcomes are volatile and should be monitored over time rather than treated as a decisive catalyst alone.

Risks

• Monthly export results can fluctuate widely, so a single month is not sufficient as a stand-alone catalyst.

What to watch

• Whether optical fiber/cable and connector exports sustain their near-record levels after the June-to-July sequential declines.
• Trends in shipments to Asia, North American hyperscale data centers and Western Europe.