WEIHAI WEFISH OUTDOOR PRODUCTS CO.,LTD , https://www.wefishtackle.comAt present, the analysis of carbon and sulfur in metals in various laboratories generally uses high-frequency infrared carbon-sulfur analyzers. There are many manufacturers of high-frequency infrared carbon and sulfur analyzers, such as German ELTRA company, American LECO company, Japanese Horiba company, Beijing Nack Analytical Instrument Co., Ltd., Beijing Wanlianda Company, Shanghai Dekai Company, Nanjing Huaxin Analytical Instrument Manufacturing Co., Ltd. Companies, etc., have high-frequency infrared carbon and sulfur analyzers with independent property rights, and are used in various laboratories.