The hydraulic multi-blade gantry shear is applied in recycling companies, scrap metal yards, automobile dismantling plants, smelting & casting industry, especially in large steel plants. It is mainly suitable for cold-cutting various kinds of scrap metal ( section steel, round steel, square steel, metallic structure parts ect.), light and thin scrap steel, scrap car shells, bulk light metal structures made of steel, scrap steel for production and living, and various plastic non-ferrous metals, such as stainless steel, aluminum alloys, copper materials.