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Hairline, because hair is thin and straight lines like, its surface like filamentous texture, which is a process of stainless steel, the surface is matte, a closer look at the top there is the slightest trace of texture, but not out of touch than stainless steel wear generally bright side, look on the grade number.
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Hairline board has a variety of lines, there are Hairline (HL), snow sand grain (NO4), and pattern (random pattern), cross pattern, cross lines, etc., all the lines are cast by oil hairline machine, according to the requirements of the processing and into, then plating coloring.
