... 2.match with the LECO instrument. 3.various types 4.tungsten particle 5.service Our company, Wuxi Jiebo Electrical Technology Co ... have been working in this market for over 10 years. tungsten Special for carbon & sulfur analyzer.Ceramic Crucible, Ceramic Crucible ... kinds seal ring(Silicon Ring, O-Ring…. )Metal strainer, strainer (copper),combustion Tube Brush Cleaner(stainless steel)Main types are as ...