600320 on Shanghai Stock Exchange

Zhenhua Port Machinery Company

Logo: Shanghai Zhenhua Heavy Industries Company Limited, Public domain, via Wikimedia Commons3

Chinese state-owned crane manufacturer

Shanghai Zhenhua Heavy Industries Company Limited (ZPMC) is a Chinese state-owned engineering company and the world's largest manufacturer of cranes and large steel structures. In 2015 the company accounted for about 75% of the world-market share for container cranes.2 It employed 8,702 people in 2020.1 Its revenue was CN¥22.7 billion in 2020.1 Its shares trade on Shanghai Stock Exchange under the symbol 600320.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1992Founded1

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  • Ticker600320 on Shanghai Stock Exchange1
  • Industrycrane1
  • HeadquartersPudong1
  • Websitewww.zpmc.com
Containerbücken für Eurogate 009
Photo: GeorgHH, Public domain, via Wikimedia Commons5

Shanghai Zhenhua Heavy Industries Company Limited (ZPMC) is a Chinese state-owned engineering company and the world's largest manufacturer of cranes and large steel structures. In 2015 the company accounted for about 75% of the world-market share for container cranes.2

The story

The company was founded in 1992. It is a wholly owned subsidiary of China Communications Construction Company. ZPMC is listed on the Shanghai Stock Exchange. It specializes in designing, manufacturing, erecting, commissioning, shipping in fully erected state, after-sales servicing and developing new port machinery products. Its main products include container cranes (QCs) (supplied eight for London Gateway), rubber-tyred gantry cranes (RTGs), bulk-material ship loaders and unloaders, bucket-wheel stackers and reclaimers, portal cranes, floating cranes engineering vessels and large steel bridge structures. Its cranes are found in 120 large ports around the globe.

In 2009, the company rebranded itself as Shanghai Zhenhua Heavy Industries Co., Ltd.

In 2021, the Port of Piraeus received three ZPMC container cranes, doubling the lifting capabilities of the former container crane and equipped with a remote control system.

In 2021, agents of the Federal Bureau of Investigation (FBI) believed to have discovered intelligence-gathering equipment on a cargo ship delivering ZPMC cranes to the Port of Baltimore. China saw the report as paranoid. Since the 2023 Chinese balloon incident, the ZPMC has come under suspicion by U.S. officials and lawmakers over their cranes suspected spying capabilities and ZPMC's participation in military-civil fusion.

In February 2024, US officials announced a plan to have the United States Coast Guard oversee the cybersecurity of port cranes and invest in replacements of ZPMC cranes at US ports. In March 2024, The Wall Street Journal reported that US congressional investigators identified a communications device in ZPMC cranes not part of normal operations. A probe by the United States House Committee on Homeland Security and the United States House Select Committee on Strategic Competition between the United States and the Chinese Communist Party found that ZPMC pressured port operators to allow it remote access.

From Wikipedia’s article on ZPMC, shared under CC BY-SA 4.0.4

Subsidiaries and ownership

Owners

From Wikidata.1

Employees over time

  • 20208,7021

Revenue over time

As stated on Wikidata, in the currency reported.

Revenue

  • 202022.7B CNY1

Net income

  • 2020422.2M CNY1

Timeline

  1. Aug 5, 1997Went public Listed on Shanghai Stock Exchange1
  2. 1992Founded Founded1