
Beijing Huashi United Energy Technology Development Co. Ltd.

Ningxia Hui Autonomous Region Electric Power Design Institute

Shanghai Yanhua Smartech Group Co., Ltd.Shanghai, China

Zhejiang Yuanhong Ecological Landscape Co. Ltd.Zhejiang Sheng, China

Fenglin Environmental Protection Technology Co., Ltd.Shandong Sheng, China

Techint Compagnia Tecnica Internazionale SpAMILAN, Italy

Performance Contracting, Inc.Kansas, United States

Rottler & Rüdiger und Partner GmbHBayern, Germany

Carter Bros. Ltd.New Brunswick, Canada

Brais, Malouin & Associates, Inc.Quebec, Canada

Gansu Construction Supervision Co. Ltd.Gansu Sheng, China

JME Engineering Co., Ltd.