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Beijing Jeffoptics konpayi Limited patisipe inZAKGlass Teknoloji Ekspozisyon 2016 ki te fèt soti nan, Desanm 9-11 2016, nan Pragati Maidan, New Delhi, peyi Zend. Jeffoptics te montre Seri li yo F-1, JF-2 Seri ak JF-3 Seri vè mèt sifas estrès nan egzibisyon yo. JF-1 Seri ak JF3 Seri yo se pou THERM ...Li plis »
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Beijing Jeffoptics Company Limited participated inZAKGlass Technology Expo 2016 held from December 9-11, 2016, in Pragati Maidan, New Delhi, India. Jeffoptics showed its F-1 Series, JF-2 Series and JF-3 Series glass surface stress meters in the exhibition. JF-1 Series and JF3 Series are for therm...Read more »