| Aggregate contract amount |
Payments made | Purchase commitment |
||||||||||
| Baofeng new coking plant | $ | 65,820,748 | $ | 58,924,121 | $ | 6,896,627 | ||||||
| Hongchang new mining tunnels | 1,553,280 | 1,294,400 | 258,880 | |||||||||
| Hongchang safety instruments | 16,180,000 | 3,236,000 | 12,944,000 | |||||||||
| Xingsheng safety instruments | 19,598,834 | 14,092,780 | 5,506,054 | |||||||||
| Hongchang mine consolidation | 32,766,118 | 11,115,660 | 21,650,458 | |||||||||
| Total | $ | 135,918,980 | $ | 88,662,961 | $ | 47,256,019 | ||||||