Chongqing Changyuan Group Limited is a Sino-foreign joint venture founded in 1981.The company's total assets is above RMB 1 billion, registered capital is RMB 81.56 million. Headquartered in Chongqing Rongchang, 2 manufacturing bases are located in Chongqing Rongchang and Gansu Baiyin.

Changyuan is the world’s largest permanganate manufacturer and supplier. The group company wholly owns several subsidiaries such as Chongqing Changnong Eco-Friendly Material Co., Ltd., Baiyin Changyuan Chemical Co., Ltd., Chongqing Angshuo Technology Co., Ltd, Chongqing Qiaobo Environmental Technology Co., Ltd.

Chongqing Changyuan Group Limited is a Member of the IMnI.  For information on membership, contact imni@manganese.org

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