Chromatotec is a leading manufacturer of automatic gas chromatography (autoGC) analyzers specialized in continuous online monitoring of volatile organic compounds (VOCs), BTEX, sulfur compounds, odorous gases, and formaldehyde at trace levels (ppt/ppb). Key product ranges include airmoVOC, airmoMEDOR, chromaS, airmOzone, and airmoF series. These instruments are widely used in ambient air quality monitoring stations (AQMS), industrial fence-line monitoring, wastewater odor control, cleanroom airborne molecular contamination (AMC) monitoring, and process gas analysis. Features include full automation with internal calibration, modular design, and compliance with European and US EPA standards. Customized solutions are available. Sunway Environmental Technology Co., Ltd. is the authorized distributor of Chromatotec in Hong Kong and Macau, providing equipment supply, installation, technical support, and after-sales services.