Founded in 1994, ALTER MAKİNA A.Ş., with its PROTER brand, produces Power Tools, Cordless Hand Tools, Pneumatic Tools, Air Compressors, Core Drilling Machines, Pipe Threading Machines, Hydraulic Garage Equipment, Garden Equipment, with the principle of quality products at affordable prices that the market needs. It continues to import and sell Hand Tools, Laser Measuring Devices and similar products. ALTER MAKİNA A.Ş. serves PROTER users throughout Türkiye with its strong marketing and service network.