SANY Heavy Industry SANY Company was founded in 1989. It is an iconic brand in China's construction machinery industry, a leader in the global equipment manufacturing industry, one of China's top 500 companies, a large listed company, and a world-renowned construction machinery manufacturer. . XCMG XCMG, founded in 1943, is a world-renowned construction machinery brand that integrates ramp; D, production and sales. It mainly promotes cranes/scrapers/excavators/concrete machinery/construction and maintenance machinery products. LiuGong, founded in 1958, is affiliated to LiuGong Group. It is a well-known brand in the domestic construction machinery industry. It is famous for its loader/excavator series construction machinery and is a representative listed company in the domestic excavator industry. Lovol, founded in 1998, is one of the top ten brands of loaders and tractors and a famous trademark in Shandong Province. It is a modern enterprise integrating agricultural equipment, construction machinery, vehicles, finance and the Internet. Extended information: Excavators, also known as excavating machinery, are earth-moving machines that use a bucket to excavate materials above or below the load-bearing surface and load them into transport vehicles or unload them into a material yard. The materials excavated by the excavator are mainly soil, coal, silt, pre-loose soil and rocks. Judging from the development of construction machinery in recent years, excavators have developed relatively rapidly, and excavators have become one of the most important construction machinery in engineering construction. The three most important parameters of an excavator: operating weight (mass), engine power and bucket capacity.