引进台湾先进技术生产制造的氢退炉，有利于提高不锈钢丝退火的光亮度，产量与质量的提高。

Taiwan to introduce advanced technology manufacturing hydrogen retired oven, stainless steel wire is conducive to improve the annealing of light brightness, improve yield and quality.

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使用时先将要处理的云石抹净及干燥，用干布将加光蜡涂上，再用细钢丝棉或绒布打磨至光亮即可。

When it is used, first clean and dry the disposed granular limestone and then spread on it the polished cere; after that polish it with thin steel wool or flannelette cloth until it brightens up.

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