Na mmalite nke afọ ọhụrụ, teknụzụ Bonan bịanyere aka na ọrụ ọhụrụ nke nwere ite zinc nke 13m * 3.2m * 4m na ikike ịgbaze zinc nke tọn 1100, na-eme ka mmalite dị mma maka afọ ọhụrụ ahụ.
Oge nzipu: Jan-12-2016
Usoro ọhụrụ: ahịrị galvanizing nchedo gburugburu ebe obibi emechiela kpamkpam
Oge nzipu: Jan-12-2016