球琛比分足球即时比分

Ring blank pressure tester, ink decoloration tester, carton compression tester, burst strength tester, drop tester, tensile tester, initial stick tester, rotational viscometer (NDJ-1) (NDJ- 5), salt spray machine, mobile phone drop machine, constant temperature and humidity test machine, electromagnetic power frequency test machine, paper tape abrasion tester, alcohol rubber abrasion tester, Taber5135 / 5155 abrasion machine (agent), linear friction tester , Taber abrasion tester, two-dimensional, three-dimensional, UV energy meter, test rubber, pencil, film thickness meter, baig knife, pencil hardness tester, rupture strength testing machine rubber film, glycerin, calibration sheet

Dongguan Guangyi Instrument Co., Ltd.