We Professionally Produce Auto-Darkening Welding Helmet，it is Suitable for Inverter Welding machine，MAG，MIG，TIG and  all arc welding ，The main technical  data  meet with ANSI  Z87.1  and CE.Our Products are  mainly exported to Europe, America, Japan,Australia, New  Zealand and other Countries 。Shuang Yan protection products are reliable assurance of  your  health and Safety。