Hubei JoinLand Construction Machinery Co., Ltd. (JoinLand Jianji) is a professional manufacturing company specializing in the research, development, production, and sales of construction machinery and oil drilling and extraction equipment. Founded in 1941 and originally affiliated with the Fourth Machinery Plant of China Petrochemical Group, the company boasts a rich history of 82 years. Today, it has grown into a renowned construction machinery manufacturer with an annual output value of 2.1 billion yuan, ranking as the largest in Hubei Province and fourth in terms of comprehensive strength within the domestic industry. In 2021, Guangxi Liugong Machinery Co., Ltd., a state-owned listed enterprise, took control of Jianghan Jianji, laying a solid foundation for the company's further development and prosperity.