East & West Analytical Instruments, Inc. China atomic absorption, chromatography, gas chromatography, gc-ms, hplc, icp spectrometer, spectroscopy, and xrf
Focused Photonics Inc. China analytical instruments, gas chromatography, gc-ms, icp-ms, lc-ms/ms, spectroscopy, tdlas, and voc monitoring
Jiangsu Skyray Instrument Co., Ltd. China atomic absorption, edxrf, gas chromatography, gc-ms, icp-oes, spectroscopy, and xrf spectrometer