manufactured · input

Ship-to-Shore (STS) Quay Crane — Complete Unit

Post-Panamax and neo-Panamax container cranes for port berths; ZPMC controls ~72% of global market; China state-owned enterprise dominance is a recognized national security concern.

Source countries

Companies

Goods affected

Claims on record

What depends on it

Goods that need this input

1 essential American goods rely on ship-to-shore (sts) quay crane — complete unit somewhere upstream in their supply chain.

Logistics

Port and crane equipment

Ship-to-shore cranes, rubber-tired gantry cranes, and automated terminal equipment that move containerized cargo.

Where it comes from

Source countries

Share of global supply, by country.

Country	Share of supply
CNChina	75%
DEGermany	10%
FIFinland	7%
SESweden	4%
IEIreland	2%
JPJapan	2%

Who makes it

Supplier companies

6 companies produce ship-to-shore (sts) quay crane — complete unit.

ZPMC (Zhenhua Heavy Industries)

HQ CN72% share

World's largest port crane manufacturer (~38% RTG delivery share, ~80% of STS cranes at US ports). Subsidiary of China Communications Construction Company (CCCC), a state-owned enterprise. Operates 10 production bases in Shanghai (Changxing Island) and Nantong with 10km of coastline. Designated parent CCCC is on the US DoD "Communist Chinese military companies" list and US Commerce Entity List (Dec 2020). ZPMC cranes were found to contain undisclosed cellular modems in 2023.

Liebherr Container Cranes

HQ DE12% share

German family-owned; STS cranes from Killarney Ireland since 1958; mobile harbor cranes from Rostock Germany; ~10-15% global STS market; ~2x cost of ZPMC

Konecranes plc

HQ FI8% share

Finnish crane manufacturer; #2 RTG supplier globally (~27% 2024 delivery share). Absorbed Terex's Material Handling & Port Solutions division (Demag brand) in 2017 for €1.3B. Also operates Konecranes Nuclear Equipment & Services (KNES) in New Berlin, Wisconsin — leading supplier of lifting equipment for US nuclear weapons complex, DOE, DOD, and US Navy (600+ navy cranes). $46.75M contract for 175-ton portal crane at Norfolk Naval Shipyard (2024).

Liebherr Group

HQ DE5% share

German-Swiss machinery conglomerate; Liebherr Port Solutions manufactures STS cranes, RTGs, and straddle carriers; Rostock Germany is primary port crane production site.

Kalmar Global (Cargotec)

HQ SE4% share

Swedish; ~3-5% global STS market; part of Cargotec Corporation; port equipment including cranes and reach stackers

PACECO Corp (Mitsui E&S subsidiary)

HQ JP2% share

Mitsui Engineering and Shipbuilding subsidiary; historical US STS crane manufacturer; closed Gulfport MS plant 1989; restarting US production after 30-year hiatus

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