Beijing Zhenli Energy Conservation & Environmental Protection Technology Co., Ltd., Collection of law and regulation on environmental protection technology Application of green construction, energy conservation and environmental protection technology for aggregate industry Developments in petroleum environment protection technology Ecological conservation and environmental protection in China The sustainable role of the tree in environmental protection technologies / Energy conservation and environment protection New village energy and environmental protection strategy The study on ecology conservation and environmental protection in Qinghai-Tibet Plateau Environmental sanitation and environmental protection machinery