Hospital Equipment Mfg. Co. Supplies Stethoscope with Dual Pediatric. Hospital Equipment Mfg. Co. Is an ISO 9001:2000 registered company. Hospital Equipment Mfg. Co. Manufactures medical equipments, hospital equipments, surgical equipments, and laboratory equipments, scientific & educational products. Stethoscope with Dual Pediatric has high sensitivity combination chest-piece which is available with non-chill ring and translucent mica diaphragm. Stethoscope with Dual Pediatric has been equipped with brass or chrome plated chest piece. The chest piece of the stethoscope is also available in aluminum material.