Guangzhou Hexin Instrument Co.,Ltd. designs and manufactures mass spectrometry (MS) products and provides related testing services. Its products in the field of environment include online VOC analysis MS, PM2.5 online source apportionment MS monitoring systems, online pre-concentrator gas chromatography MS monitoring systems, two-dimensional gas chromatography time of flight MS, and portable VOC analysis MS; biomedicine comprise automatic microbial MS detection systems; and laboratory include inductively coupled plasma MS, automatic microbial MS detection systems, two-dimensional gas chromatography time of flight MS, and liquid chromatography-time of flight MS. The company was founded in 2004 and is based in Guangzhou, China.