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-around cooperation, promote amorphous alloy dry-type transformers, and build and layout overseas business units at the same time.

Anhui Zhongyuan new material Co., Ltd. is a joint-stock company restructured and established by Wuhu Zhongyuan metal belt foil Co., Ltd. It was founded in April 2005 and invested and established Anhui Yongjie Copper Co., Ltd. in 2007. It is an enterprise specializing in the production of high-precision red copper strip, white copper strip and photovoltaic welding strip, with a current production capacity of 40000 tons / year. The company is located in Qiaobei Industrial Park, Wuhu Economic and Technological Development Zone, close to national highway 205, Zhujiaqiao foreign trade wharf and Wuhu Railway west station, with convenient transportation and superior geographical location;

Zhejiang Jinte New Material Technology Co., Ltd., established in December 2015, is a non-ferrous metal one-stop supply service platform built after 8 years on the basis of Hangzhou Haocheng metal materials Co., Ltd. established in 2011; The company is located in the beautiful Moganshan high tech Zone in Deqing County, Huzhou City. Deqing County is located in the center of the Yangtze River Delta, and the junction of Zhejiang and Jiangsu Province. It is 20 kilometers away from Hangzhou and 150 kilometers away from Shanghai. The geographical location of the company is very convenient, 2 kilometers away from the Deqing exit of Hangzhou Nanjing Expressway, and the material flow resources are developed.

Fujian Lide automation equipment Co., Ltd. was founded in 1993. As a high-tech enterprise specializing in the development and production of various intelligent instruments, the company's leading product LD series intelligent industrial control instruments are used for automatic detection, display, accumulation and control of temperature, humidity, pressure, flow, liquid level, pH and other parameters. They are widely used in metallurgy, chemical industry, light industry, food, pharmacy, oil refining, electric power and other industries.

Jiangxi tengde Industrial Co., Ltd. focuses on the construction of high-end projects such as new energy and outdoor transformer pouring insulation materials and silicone composite high-voltage insulation terminal blocks. Its products have the characteristics of high performance and durability. The project has been listed in the national high-tech catalogue. The company adopts fully automatic production equipment imported from Europe, with advanced technology and rich technology. Since its development, the company has a number of invention patents in the industry and has passed ISO9001, SGS, UL, export dangerous package certificate and other certifications. At the same time, the company has offices in major cities such as Guangdong, Shandong, Zhejiang, Jiangsu, Sichuan, Henan, Shanghai, Hubei and Xinjiang.