Ua loaʻa iā SHANTUI Tanzania Company ma mua o 200 mau ʻāpana me ka hoʻonui ʻana i ka ʻoihana o ka ʻoihana hui i nā makahiki i hala.ʻO ka hoʻonui ʻana o ka nui o nā lako e pono ai ka lawelawe ʻōnaehana a me ka loea ma hope o ka mākeke.
No ka hoʻokō maikaʻi ʻana i ka pono o ka mea kūʻai aku a hoʻomaikaʻi i ka ʻoluʻolu o ka mea kūʻai aku, ua kono ʻo SHANTUI i ka loea lawelawe ʻo Mr.Dawson, ma muli o ka hoʻonohonoho ʻana o ka kamaʻilio, e hāʻawi i kahi hoʻomaʻamaʻa ʻekolu pule i nā limahana lawelawe o ka hui hui ma nā huahana a me ka lawelawe ma hope o ka mākeke.