双面,FR4,绿色阻焊,有铅喷锡

FR4,蓝色阻焊,喷锡,可做有铅和无铅,白字符电路板线路板PCB板:2018-08-23 10:06:08

Ultralight four-curved surface Thin, round, comfortable grip Four curved glass body, ultra-light 7 series aluminum metal middle frame, water drop arc waist design.

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