What are the mining outsourcing companies?

1, Tong Ming Kangda Mine Technical Service (Beijing) Co., Ltd. Address: Block A, No.33 Lu Shen Street, Chaoyang District, Beijing/Floor 61Room 609.

2. Fujian Nayuan Mine Engineering Labor Contract Co., Ltd. Address: No.404 Haikou Road, fuding city, Ningde City, Fujian Province.

3. huadian city Huixin Mine Engineering Labor Service Co., Ltd. Address: Min Village, Jingshalong, huadian city, Jilin.