Zi Wang Xu

Clayton, Dubilier & Rice LLC (Clayton, Dubilier & Rice) is a private equity subsidiary of Clayton, Dubilier & Rice Holdings LP founded in 1978 by Joseph L. Rice. The firm is headquartered in New York with additional office in London.

Guangcai 49 Group is an investment holding Chinese company. The private company is based in Beijing, China.

Shanxi Lubao Coking Group Co. Ltd. manufactures and distributes chemical products. The group is a coke chemical engineering-led, across the energy, power, transportation, transport, tourism, financial services, such as large in the area of Sino-foreign joint ventures. The company's products include wash oil, ammonium sulfate, crude benzene light oil and crude phenol. The company was founded in April 1994 and is headquartered in Lucheng, China

Goldman Sachs (Asia) LLC (GS-Asia) is the Hong Kong-based brokerage subsidiary of Goldman Sachs Holdings (Hong Kong) Ltd., ultimately owned by The Goldman Sachs Group, Inc. (NYSE: GS), a multinational investment bank and financial services company headquartered in New York City. Founded in 1984, GS-Asia provides market insight, risk management and execution services to institutional clients which includes asset managers, hedge funds, banks and brokerages, pensions, endowments and foundations, corporations, and governments.

Goldman Sachs (China) LLC (GS China) is the China-based subsidiary of Goldman Sachs Co. LLC, which is ultimately held by The Goldman Sachs Group, Inc. (NYSE: GS). The firm was founded in 1994 and is headquartered in Shanghai. GS China provides brokerage services to their clients.