Shanghai Zhenhua Heavy Industries Company Limited (ZPMC, Chinese: 上海振华重工(集团)股份有限公司) is a Chinese state-owned engineering company and the world's largest manufacturer of cranes and large steel structures.

[1] In 2009, the company rebranded itself as Shanghai Zhenhua Heavy Industries Co., Ltd.[5] 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.

[6] 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.

[10] In March 2024, The Wall Street Journal reported that US congressional investigators identified a communications device in ZPMC cranes not part of normal operations.

Although the company had no previous experience in bridge construction, California officials selected it based on the advantages of "huge steel fabrication facilities, its large low-cost work force and its solid finance.