Room 512 ,Bld XinMao ,HuaYuan Industry Park ,TianJin Tianjin, Tianjin
With more than 20 years? experience, TianJin Polywis Technology Co.,Ltd is the first enterprise in china specializing designing, development, production and marketing of analytical instrument Energy-Dispersive X-Ray Fluorescence (EDXRF) systems . ...
gold tester, jewelry testing instrument, RoHS tester, x-ray spectrometers