Nanjing Changyouyi Analytical Instrument Co., Ltd. manufactures pyrometers, disposable thermocouples, carbon silicon analyzers, thermal analysis systems and sample cups for foundries and steel plants worldwide. OEM & ODM supported. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Nanjing Changyouyi Analytical Instrument Co., Ltd. is a professional manufacturer of foundry testing equipment and metal analysis instruments in China. Our main products include molten metal thermometers, carbon silicon analyzers, thermal analysis systems, spectrometers, carbon sulfur analyzers and laboratory testing equipment. These solutions are widely used in steel plants, iron foundries, copper foundries, aluminum foundries, machining factories, research institutes and quality inspection laboratories worldwide. We provide complete solutions for molten metal temperature measurement, furnace-front quality control and metal composition analysis.