GNA Duraparts Pvt Ltd manufactures Internal Ring Gear. GNA Duraparts Pvt Ltd is an ISO TS/ISO 16949 & ISO 14001 certified company. The Company also manufactures hub reduction gears, straight bevel gears, companion flanges, bull gears and bull pinion shafts and transmission speed gears. The Internal Ring Gear finds an application in light and heavy commercial vehicles, off-highway vehicles. The Internal Ring Gear also finds usage in agricultural applications. This Ring Gear is durable and cost efficient.