Our products have CSA certificate. You can be rest assured them no matter on the quality but also the performance. spark plug,flame lighter,ceramics igniter Material For Choice : 1) Ceramic Insulator Body: 95% Alumina, Steatite with glazed or no glazed layer . 2) Electrode Pin/Rod: OCR25, OCR27, SUS304, Ni80Cr20, Kanthal D, etc. 3) Cable: UL1332, UL1911, UL3573, UL3071, UL3239 etc. 4) Bracket: ...