Pei Gang Wang

SIIC Environment Holdings (Wuhan) Co., Ltd. engages in wastewater treatment. The private company is based in Wuhan, China. The Chinese company is a subsidiary ultimately controlled by the City of Shanghai. Han Guang Huang has been the CEO of the company since 2003.

Ranhill Water (Hong Kong) Ltd. engages in the provision of wastewater treatment services. It also invests in and operates industrial wastewater treatment projects. It is a wholly-owned subsidiary of Ranhill Water Technologies (Cayman) Ltd and an indirect subsidiary of the Malaysian water and power conglomerate Ranhill Holdings Berhad. The company was founded on November 26, 2008.

Yalong River Hydropower Development Co., Ltd. is a Chinese company based in Chengdu, China. The joint venture company, formerly known as Ertan Hydropower Development Company, was established in 1989 and restructured into a limited liability company in February 1995. In November 2012, it was renamed Yalong River Hydropower Development Co. The company's major shareholders are China Development Investment Group Co., Ltd. and Sichuan Investment Group Co., Ltd., with a capital contribution ratio of 52%% and 48%%, respectively. The company has a registered capital of RMB 37.3 billion and owns high-quality assets worth more than RMB 140 billion.