Atlas Copco is the world's leading provider of industrial productivity solutions. Its branches Atlas Copco (Nanjing) Construction and Mining Equipment Co., Ltd. and Atlas Copco (China) Mine Construction Equipment Trading Co., Ltd. The company maintains a long-term cooperative relationship with Leista.

CNPC Kehao Machinery Manufacturing Co., Ltd. is located in Jingzhou Jiuyang Machinery and Electronic Industrial Park. It has been awarded as a "contract-abiding and credit-worthy enterprise" by the Hubei Provincial Administration for Industry and Commerce for three consecutive years, and it is also a quality three-star enterprise.

Xinjiang Machinery Research Institute Co., Ltd. is a high-tech enterprise specializing in the research, design, manufacturing and sales of agricultural and animal husbandry machinery. It is the first listed company in the domestic agricultural and animal husbandry machinery manufacturing industry.

Baoji Petroleum Machinery Co., Ltd. is an oil drilling equipment R&D and manufacturing enterprise affiliated to China National Petroleum Corporation. It is a research and development and manufacturing base for land oil drilling rigs and a series of mud pumps, a research and development and manufacturing base for steel wire ropes for important occasions, and a supplier of electrical control equipment for drilling. It is the backbone enterprise of R&D and manufacturing of petroleum drilling equipment in my country.

The Fourth Machinery Plant of Sinopec Jianghan Petroleum Administration Bureau is a research and development enterprise of oil drilling equipment. It has obtained more than 100 national patents and has formed a product group with more than 200 specifications in five categories of cementing and fracturing equipment, drilling rigs, workover rigs, offshore oil equipment and high-pressure manifold components with independent intellectual property rights.

Zoomlion Heavy Industry Co., Ltd. was founded in 1992, mainly engaged in the R&D and manufacturing of high-tech equipment such as construction machinery, environmental industry, and agricultural machinery. More than 20 years of innovation and development have enabled Zoomlion to gradually grow into a global enterprise. Its leading products cover 10 categories and more than 1,000 varieties. Construction machinery and sanitation machinery rank first in China, and agricultural machinery ranks among the top three in China.