日本又骚又刺激的视频在线观看_羞羞视频在线观看免费_国产秀色在线www免费观看_欧美乱大交xxxxxbbb

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    ??????? ?????? ????? ???????? ?? ????? ?? ? ?? ???? ?? ?????? ?????? ?? ???? ??? ?????? ?? ????? ?? ??? ?? ??? ???? ?? ? stamp ? ??? ?? ???? ????? ?? ??? ?? ?????? ??? ??? ??? ???? ???? ???? ????? ?? ??????? ???? ?? ? ???? ??? ??? ??? ? ???? ??? ???????? ???? ?????? ??? (??? ???? ???)

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    St.St. plate

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    Laser cut according to the engineering dwg

    ????? 2: ????????? ?? ????? ?? ?? ????? ???? ??

    Film or coating in the dust-free shop, light exposure imaging

    ????? 3: ???? ?? ??? ???? ? ????? ?? ????? ?????? ??? ??? ?? ?????

    Etching, ie, remove material by way of chemical reaction or physical corrosion

    ????? 4: ????? ? ???? ??????? ?? ??? ?? ?????? ?????? ?? ????? ???? ?? ??? ???

    Industry oven, hi-temp, low-temp & constant temp.

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    Get deepened by etching once, and texture finish by twice etching, like snow grain.

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    Professional inspectors and packaging workers

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    Done in the dust-free shop, by professional workers and advanced equipment

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    Applied as precision etched parts for the electronic thin components for the aviation industry, machinery and chemical industry

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    Huizhou Weihua Technology ????? ? ?. ? ?? ????? - 2019-2021: ???? ???? ????? ????
    ??? ? ???? ????? ??????? - ???? ?? ???? ???? ?? ????? ???????, ?????? ?? ??? ?? ????? ??? ?????, ?? ??? ?? ??? ?? ????? ?????, CNC ????? ??? ?? ????? ????,
    日本又骚又刺激的视频在线观看_羞羞视频在线观看免费_国产秀色在线www免费观看_欧美乱大交xxxxxbbb
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