Specification:Material:Carbon steelGrade:4.8Surface treatment:Polished,plain,natureDiamter:10-25mmLength:50-300mm or according to requirementsStandard:ISO 13918, GB/T 10433-2002, AWS D1.1, JIS B1198, ..

Product features：·      Power: 0.5W·      Charging Time: 8-9 hours·      Burning Time: 12 hours·       Function: Waterpr..

Product features：·      Power: 0.5W·      Charging Time: 8-9 hours·      Burning Time: 12 hours·       Function: Waterpr..

Product features：·      Power: 0.5W·      Charging Time: 8-9 hours·      Burning Time: 12 hours·       Function: Waterpr..