International CSRC Investment Holdings Co. Ltd. engages in the production of carbon black, a material mostly used in the manufacture of rubber. It operates through the following segments: Carbon Black, Biotechnology, Battery Product, and Others. The Carbon Black segment produces and sells soot, synthetic rubber, and steam. The Biotechnology segment develops new drugs. The Battery Product segment manufactures, assembles, and sells battery core and battery pack products. The company was founded by Chen Fu Ku and Po Shou Lin on June 15, 1973 and is headquartered in Taipei, Taiwan.