... /COPPER packing:color box 300A 500A Accept ODM and OEM electrode holders1.300A 500A2.material:IRON/COPPER3.MOQ:2000pcs/color/style4 ... gas mask,dust mask,safety goggle,earmuffs,earplug,welding mask,electrode holder,helmet, glove,hardware etc.Precise producing technology and strict ... standards for all testing,all our products are well selling far abroad to Europe,the USA,Middle East and many other ...