Baiyin Nonferrous Group Co., Ltd. known also as BNMC is a Chinese company based in Baiyin, Gansu Province, China. The company was the main copper supplier in China. Since 15 February 2017, Baiyin Nonferrous is a listed company in the Shanghai Stock Exchange. In 2017, the localized version of Fortune ranked Baiyin Nonferrous as the 116th of top 500 Chinese enterprises.