Our own brand INT spark plug is of full range: resistor spark plugs , iridium spark plugs , platinum spark plugs, toroidal multi-Electrode spark plugs and so on. In recent years, We newly developed the alloy technology, which making the ignition of spark plug more quick and precise , have a big help for the great power of the engine. And we apply for the newest technology on iridium spark plugs, which already owned a high reputation on the quality in China, Euorpe, USA and Middle East.