KOJA is a manufacturer of agricultural equipment, parts and a subcontractor of metal sheet processing and machining. Today, KOJA Company  manufacture cabins and agricultural machinery, as well as spare parts, components, and complete machines and devices according to customer specifications and documentation. Our own production focuses on protective cabins for tractors and forklifts. Additionally, our product range includes various agricultural machinery such as mowers, grain drying containers, plows, snowplows, slurry mixers, protective frameworks, sweepers, tractor weights, and grain separators. We provide services in: • machining metals • plastic forming • welding of sheath noble gases • execution of steel structures according customers • repair and regeneration parts for machinery and equipment (making shafts, gearwheels and chain wheels) • modification of the machine according to the instructions of the customer • making prototype cabins for not typical vehicles. We make all kinds of mechanical services: • Laser cutting • Plasma cutting • Cutting sheet metal by guillotine • Machining metals