Baiyin Tongcheng commercial building (Group) Co., Ltd. (000672)Baiyin Tongcheng commercial building (Group) Co., Ltd. was established on November 1, 1993. The business scope of the company includes building materials, me…

Gansu Jingyuan Coal Power Co., Ltd. (000552)Gansu Jingyuan Coal Power Co., Ltd., formerly known as Gansu Changfeng Special Electronics Co., Ltd., was listed on Shenzhen Stock Exchange in 1993. In June 2005, Jingyuan Coal…