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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????? ????? ?? ?? ??????? ??????? ????

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??? ?????, ?????? ?? ??? ???????, ??? ???? ?????? ????? ?? ??? ????? ??????? ????? ????. ???? ???? ???? ?????? ????????? ?????: ?????? ?????????, ???????, ????? ????????, ???? ??????? ???, ?????, ????, ????, ????, ???????, PVC, PC, PET ??? '.

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2. ???? ?? ????? ????? ?? ?????? ????? ?? ??? ???????? ??? ???? ?? ???? ?????????;

?????? ??????? ?? ???? ????? ??:

???? ???, ????? ?????, ???? CD, ???? ??? ';

?????? ????? ?? ????? ??????:

1. ??? ????? ???: ??? ???? ?????? ?? ????? ??? ????? ????? ?????;

2. ?????? ????? ?????;

3. ?????? ?????;

4. ?????? ???.

????? ???????? ??????? ? ????? ???? ?????. ?????? ?"?????? ?????? ?? ?????? ", ?????????? ?????? ???????? ??????? ????. ??? ????? ???, ??? ???? ??? ?????? ?????? ?????????.

?? ??? ??????? ????? ??? ?? ???? ??????? ???? ??? ???

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St.St. plate

??? 1: St. ???????

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

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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.

??? 5: ????? ?? ??? ????? ??? ???, ????? ???? ?? ??? ????? ??????, ??? ????? ???.

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

??? 9: ????? ?????? ?????? ??????? ???? ??????? ????? ??????????? ??????? ??????, ?????? ??????? ?????


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    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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