NGK SPARK PLUG CO., LTD. engages in the manufacture and sale of spark plugs, technical ceramics, and related products for internal combustion engines. It operates through the following segments ...

Chart Industries, Inc. (NASDAQ: GTLS) today announced that it has signed a definitive agreement to divest its oxygen-related products business within the BioMedical segment to NGK Spark Plug Co ...

I was wondering if any of you have any basis of comparison between Denso iridium plugs and NGK's Iridium IX plugs. The Densos have been fine for this car, and all things being equal I would just ...