1. Inner Mongolia Tong Yuan Blasting Co., Ltd. is a legal entity integrating design, construction, safety evaluation and safety supervision of blasting engineering.
2. Hongda Blasting Co., Ltd. is a wholly-owned subsidiary of Guangdong Hongda Blasting Co., Ltd., the holding company of Guangdong Guangye Group Co., Ltd., a subsidiary of Guangdong State-owned Assets Supervision and Administration Commission.