World No.3 OSAT (China’s largest)

JCET (Jiangsu Changjiang Electronics)

China’s largest OSAT and the world’s No.3 (~12% share, $5B revenue). Provides packaging/test to Qualcomm, MediaTek, Samsung and NXP; buys bonders and testers from equipment makers.

600584.SS Updated Jun 21, 2026

Annual return · 2026-06-18'21-34%'22+0.2%'23-15.2%'24+73.3%'25+28%YTD+67.8%
JCET (Jiangsu Changjiang Electronics)World No.3 OSAT
Money outAdvantestKulicke & Soffa원재료·소재·R&D (비공개)

Financials & Segments

  • Total revenue · World No.3 OSAT (China’s largest)
  • Segments · World No.3 OSAT (China’s largest)

Revenue from

  • Qualcomm High confidence· Market share 12 · 2024 · global OSAT share
    Provides assembly and test to Qualcomm.
    Confirms EN TrendForce Published May 13, 2025: "Provides assembly and test to Qualcomm."
    Confirms EN JCET Published May 1, 2025: "Provides assembly and test to Qualcomm."
  • MediaTek High confidence
    Provides assembly and test to 미디어텍.
    Confirms KO DigitalToday Published Jun 1, 2025: "OSAT rebound; JCET China No.1"
    Confirms EN TrendForce Published May 13, 2025: "Provides assembly and test to 미디어텍."
    Confirms EN JCET Published May 1, 2025: "Provides assembly and test to 미디어텍."
    Confirms EN Company IR / exchange filing Published Apr 1, 2025: "Annual report: revenue, customers, business."
  • NXP Semiconductors Medium confidence
    Provides assembly and test to NXP반도체.
    Confirms EN TrendForce Published May 13, 2025: "Provides assembly and test to NXP반도체."
    Confirms EN JCET Published May 1, 2025: "Provides assembly and test to NXP반도체."
  • Samsung Electronics Medium confidence
    Provides assembly and test to 삼성전자.
    Confirms EN TrendForce Published May 13, 2025: "Provides assembly and test to 삼성전자."
    Confirms EN JCET Published May 1, 2025: "Provides assembly and test to 삼성전자."

Pays to

  • Advantest Medium confidence
    Buys bonding and test equipment from Advantest.
    Confirms EN TrendForce Published May 13, 2025: "Buys bonding and test equipment from Advantest."
    Confirms EN JCET Published May 1, 2025: "Buys bonding and test equipment from Advantest."
  • Kulicke & Soffa Medium confidence
    Buys bonding and test equipment from Kulicke & Soffa.
    Confirms EN TrendForce Published May 13, 2025: "Buys bonding and test equipment from Kulicke & Soffa."
    Confirms EN JCET Published May 1, 2025: "Buys bonding and test equipment from Kulicke & Soffa."
  • 원재료·소재·R&D (비공개) Low confidence
    Materials and R&D (undisclosed).
    Confirms EN TrendForce Published May 13, 2025: "Materials and R&D (undisclosed)."

Value-chain ripple (tiers 2–3)

Following node-to-node links up to 3 tiers; each firm is shown once, at its nearest tier.

CompanyChain'21'22'23'24'25YTD
Marvelllead3+84.9-57.5+63.7+83.8-22.8+265.9
AMDlead3+56.9-55+127.6-18.1+77.3+150.9
Broadcomlead3+56.8-13.4+104.9+110.9+50.7+19.3
Alphabet (Google)lead3+65.3-39.1+58.3+35.8+66.1+17.8
NVIDIAlead3+125.5-50.3+239+171.3+38.9+13.1
Samsung Electronicslead2-9-14.2+20.9-26.4+212.9+121
Applelead2+34.6-26.4+49+30.7+9.1+9.8
MediaTeklead1+27.8-26.6+49+59.1+25.1+154.3
NXP Semiconductorslead1+44.8-29.4+48.4-8+6.4+45.7
Qualcommlead1+22.3-38.4+35.1+7.7+13.9+34.2
JCET (Jiangsu Changjiang Electronics)node-34+0.2-15.2+73.3+28+67.8
Kulicke & Soffabenef1+92.6-25.9+25.5-13.3-0.3+170
Advantestbenef1+17-2.3+155.7+49.5+196+24.6

YTD as of 2026-06-18 · source: Yahoo Finance


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