红宝石线嘴：此产品由不锈钢金属本体和宝石精密加工、组合而成，红宝石硬度仅次于金刚石，达莫氏9级以上，它是单晶体，可以制得极高的光洁度。能有效的保护漆膜及长时间连续工作，即能保证线圈的高绝缘性不受丝毫影响。rubynozzle:theproductismadeofstainlesssteelandrubybypreciseprocessingandcombination.therigidityofrubyisabovethanthelevel9andisjustlessthanthatofdiamond.itisasinglecrystalandcanbemadewithhighbrightnessandcleanness.itcaneffectivelyprotectpaintfilmandlong-termcontinualworktoensurethehighinsulationofwirecoilsuffersnohurt.)