KEY gas shock absorber manufactures lockable shock absorbers and their parts with its production facility located in Bursa Otosansit Industrial Zone. Key gas shock absorber, which has different product types, has the capacity to perform special sample production and mass production on demand. It conducts many of its tests and measurements in its own production facilities. With their R & Dec work on lockable shock absorber, they have filed 3 different patent applications worldwide. Monthly production capacity is 25,000 units per single shift. 80% of the machines used in production are automatically produced untouched with Industry 4.0 integrated systems, so the error and rejection rates are at 5 sigma level.