¿Qué unidades en Beijing tienen calificaciones de diseño y construcción para proyectos de tratamiento de aguas residuales?
China Huadian Engineering (Group) Co., Ltd.
Instituto de Investigación de Construcción Urbana
Beijing Wanbangda Environmental Protection Technology Co. ., Ltd.
China Ye Jing Engineering Technology Co., Ltd.
Tongfang Co., Ltd.
China Zhongqing International Engineering Co., Ltd.
Beijing Sound Environmental Engineering Co., Ltd.
Instituto Municipal de Diseño Profesional de Beijing Co., Ltd.
Wuzhou Fuji Chemical Co., Ltd.
Beijing Meihua Boda Environmental Engineering Co., Ltd.
China Datang Group Technology Engineering Co., Ltd.
Beijing Qibo Electric Power Technology Co., Ltd.
Beijing Zhonglianhuan Engineering Co., Ltd.
Beijing Zhong Bing Northern Environmental Technology Development Co., Ltd.
Beijing Huanlike Environmental Engineering Technology Co., Ltd.
Beijing Guohuan Tsinghua Environmental Engineering Design Institute Co ., Ltd.
China Nuclear Power Engineering Co., Ltd.
Beijing Construction Engineering Jinyuan Environmental Protection Development Co., Ltd.
Beijing Langxinming Environmental Protection Technology Co., Ltd.
Instituto de Diseño de Ingeniería Ambiental de Beijing
Beijing Yongxin Environmental Protection Co., Ltd.
Beijing Zhongke Guoyi Environmental Protection Engineering Co., Ltd.
Beijing Jiyate Environmental Protection Engineering Co., Ltd.
Instituto Municipal de Diseño de Ciencia y Tecnología de Ingeniería de Beijing
Xu Ji Lianhua International Environmental Engineering Co., Ltd.
Beijing Shihai Engineering Technology Co., Ltd.
Beijing Xinyuan Guoneng Technology Co., Ltd.