The Mongolia Zinc Mine Deep and Side Mining Project is located in Tumurtin-Ovoo Zinc Mine, Mongolia, under which the work scope includes the underground mining and the auxiliary works of the deep and side ore body outside the final mining limit. There are more than 260 management and operation personnel. The Project Department overcame the extreme weather such as cold, wild sand and heavy snow, made every effort to solve various construction difficulties, and inherited and continued the "Ovoo Spirit" on the platform of "China-Mongolia Cooperation Model".