DuPont is an American multinational chemical company first formed in 1802. The company played a major role in the development of Delaware and first arose as a major supplier of gunpowder. In 1999, the Nomex was developed in cooperation with DuPont ® Dry type transformer insulation system, two years later, CEEG signed a strategic cooperation agreement with DuPont.

In the following years of 2004-2018, CEEG had won the DuPont global award, also signed a strategic cooperation agreement to expand all-round cooperation in the fields of transformer, photovoltaic and new materials, an agreement with DuPont ™ Lei Litong ® ReliatraN ® Brand authorization.

In 2020, CEEG and DuPont China signed a strategic cooperation agreement.

Schneider Electric

Schneider Electric is a French multinational company that specializes in digital automation and energy management. It addresses homes, buildings, data centers, infrastructure and industries, by combining energy technologies, real-time automation, software, and services.

Schneider Electric is a Fortune Global 500 company, publicly traded on the Euronext Exchange, and is a component of the Euro Stoxx 50 stock market index. In fiscal year 2022, the company posted revenues of €34.2 billion.


Siemens is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe. It is headquartered in Munich and has several foreign branch offices. Siemens and its subsidiaries employ approximately 303,000 people worldwide and reported global revenue of around €62 billion in 2021 according to its earnings release.

Hitachi Metals

Hitachi, Ltd. is a Japanese multinational conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. Hitachi Metals supplies materials for aircraft engines and fuselage components, along with finished components for same and other aerospace applications. It also provides materials, components and tools for the automotive and electronics industries. CEEG has established a long-term strategic cooperative relations with Hitachi Metals, supporting and serving in their producing projects, outputting high quality power for the world.


Aetna Inc. is an American managed health care company that sells traditional and consumer directed health care insurance and related services, such as medical, pharmaceutical, dental, behavioral health, long-term care, and disability plans, primarily through employer-paid (fully or partly) insurance and benefit programs, and through Medicare.

In March 2020, CEEG cooperated with Aetna to tackle key technical problems in batch production of amorphous dry transformation. It took more than 200 days to develop new strips with unique process, low noise level and first-class product performance.

In December 2020, CEEG and Aetna signed a strategic cooperation agreement. The two sides worked together with design institutes and general contracting units in the industry to carry out all-round cooperation, build and layout overseas business units at the same time.