graphite electrode companies Henan calgon Carbon Co., Ltd. is located in Anyang City, Henan Province, which is known as "the ancient capital of the Seven Dynasties of China" and "the center of Chinese civilization". It is the largest international export enterprise focusing on the export of graphite electrodes in China. Henan calgon carbon co., LTD., after many years of operation and development, has become China's carbon industry export commodity inspection center, r&d center, the application of new technology center, with China's conformity assessment (CNAS) national approval committee approved laboratory, in 1999 passed the ISO9000 quality assurance system certification, in 2010 passed the quality management, Environmental management, occupational health management "three system" certification. Henan calgon Carbon Co., LTD., IN terms http://www.medicalxraymachine.com/
