Otu akụkụ nke ọrụ trestle a ruru mita 80, bụ nke kachasị ogologo n'etiti trestles ndị yiri ya na China. Ọ nwere usoro truss grid nwere eriri okpukpu abụọ na nke oyi akwa.
Ihe oru ngo a bu ulo oru ihe owuwu nchara nke ulo oru nkwadebe coal, nke bu ihe owuwu otutu ulo na usoro ikpoko coal kachasi n'uwa, nke nwere ebe owuwu nke 46,000 square mita.