Sichuan Bonny Heavy Machinery Co., Ltd. is located in the National High-tech Industrial Park in Luzhou city, Sichuan province, southwest China, formerly known as Changjiang Excavator Works which founded in 1965. It is a professional manufacturer of 26-250 tons hydraulic excavators, 18-240 tons hydraulic material handler and 26-52 tons scrap-vehicle dismantlers, and is a professional manufacturing base for middle and large construction machinery in China.

Bonny is a national High-Tech enterprise, a key enterprise of national high-tech Research and Development Program (863 Program); a science and technology industrial enterprise and major equipment manufacturing enterprise in Sichuan province, and has set up a “provincial enterprise technology center” in Sichuan province. Bonny has been certificated for ISO9001 Quality Management Sysetm in 2000, Environment Management System and Occupational Health and Safety Management System in 2015 and After-sales Service in 2024.

In 1977, Bonny successfully developed China's first 40-ton hydraulic excavator. In 1985, Bonny has introduced the complete technology of 60-90 tons class from Germany LIEBHERR. In 1990, Bonny successfully developed China's first 45-ton electric hydraulic excavator. In 1998, Bonny successfully developed China’s first crawler hydraulic material handler (40-tons) which led a new revolution in the material handling industry in China. During the course of the development of the company, China's first hydraulic excavator, China's largest tonnage hydraulic excavator, China's first electric-powered hydraulic excavator and China's first hydraulic material handler all were born in Bonny.

Bonny’s products are widely used for mining of non-ferrous, building materials, phosphate and coal, construction of railway, highway, water conservancy, hydropower, urban infrastructure and other projects, material transferring in all kinds of steel mills, ports and whsarves, material handling yards and railway station yards. As the pioneer and leader of material handling industry in China, the market share of Bonny series hydraulic material handler in China has been steadily ranked the first in more than 20 years, reaching more than 90%. Bonny has been continuously absorbing the world's advanced technology and combining with the needs of domestic and foreign customers to continuously improve the series of products. In addition to covering the whole territory of China, the products have been exported to more than 40 coutries and regions.

Bonny adhere to the "large-scale, specialization, personalization" product development; adhere to the innovation drive development, uphold the company by upgrading products as well as new researching and developing in brand-new products and technology, increase advantages in professionalization and competition, to develop newly and overseas markets entirely, keep the leading position in the large hydraulic excavator industry in China, create international well-known brand construction machinery.