The Mahar Mashal Sabz Co. Ltd manufactures gas and air pressure switches for use in home appliances and industrial applications. Our high quality products adhere to the ISIRI 12863:2011, EN 1854:2006 and BS EN 13611:2000 standards for gas burners and gas burning applications. Our company is one of the major suppliers of pressure switches in both the domestic and international markets. We are the preferred supplier for more than 40 Iranian companies that produce petrochemical and refinery equipment, gas burners, and air conditioners. Some of our satisfied customers include Pars Mashal Co., Eshteal Arak Co., Azarban Co., Alvand Co., Chauffagekar Co., Irfo Co., and Kave Torch Company. We are also included on the vendor list of several industrial and governmental associations. Our pressure switches include: GW3 A4; GW10 A4; GW50 A4; GW150 A4; and GW500 A4. GAS & AIR- Pressure Switch type GW A4