Nanjing Huade Spark Plug Co., Ltd (NHSP) is a joint venture of Robert Bosch GmbH and Nanjing Electric Group, founded in 1996. NHSP is specialized in spark plugs, which are widely used in automobile, motorcycle, small engines with the use of gasoline, natural gas, LPG etc. We have 50 million pcs spark plugs production capacity annually, with our advanced equipments from BOSCH and guarantee of ISO/TS 16949 & ISO 14001 , you will find our quality and technology are both world level.