The 5th Beijing International Building Energy-saving & Green Building Technology & Equipment Exhibition

The 5th Beijing International Building Energy-saving & Green Building Technology & Equipment Exhibition

تفاصيل العمل

تاريخ البدأ
7-6-2018
تاريخ الإنتهاء
9-6-2018
محور
كهروضوئية
دولي / محلي
دولي