FAY is a company manufacturing and selling of the mechanical earthquake valves and aluminum bodied gas armatures.Earthquake valves perceive seismic motions ( earthquake) and they are designed to automatically shut off the gas flow from the buildings rising main natural gas line according to TS 12884 (Turkish Standard) and ASCE 25-06 (US Standard) as a result of perceived seismic motions. According to Turkish Fire Regulation, it is obligatory to mount these products in buildings located in 1st and 2nd degree earthquake areas. As it was used in Japan firstly, then usage of these products has become widespread in USA, Mexico, Canada, Latin American Countries and Turkey. Afterwards, this product has begun to be used in Middle East and Mediterranean countries. As time goes by, obligatory usage differs from country to country or from region to region. Nevertheless, it is a preferred product due to the safety requirements. As a result of increasing in usage of natural gas as an energy source within earthquake areas importance of gas safety in case of earthquake incidents is increasing, so that, market share of these products are increased. We have a wide range of products which are produced with production capacity in the diameter changing from threa quarters inch up to eight inch and pressure values up to 4 bars, in order to meet the need of every area, from housing to industry.It has both national and international patents which are specific and preserving at product markets. Existing product range of earthquake valves has been certified by TSE, by TUV NORD CE and by CSA according to ASCE 25-06 and TS 12884 . It has fifteen years experience of production and product development. It has come to these days with self-improvement and experienced vision.Product quality is approved by our customers, so that we receive demands to make any other products for the natural gas sector. Our company has ability to make R&D activities for products with quality, fair price and free of problem. Fay Mekanik aims to be a world brand for the earthquake valve sector and for its associated products. Although it has passed short time since its establishment, it took its steps for this objective.