ʻOi aku ka nui o nā makahiki 20 i ka hoʻolālāʻana i ka mālamaʻana, a me ka hoʻomaʻamaʻaʻana, e hoʻokō ai, e hoʻokō i ka hoʻolālāʻana i ka mākeke no ka kūʻaiʻana ma ka papaʻaina huahana. No nā meterateturgy a me nā mea hana, petrochemical, nā mea kūʻai aku, nā mea noiʻi, he pūʻali koaʻepekemaʻikeʻia ke kākoʻoʻana i nā lawelawe kākoʻo.

Me ka hana a Alloy a me nā mea hana i nā mea hana, mai nā mea waiwai e hoʻopau i nā huahana, hiki ke kaʻinaʻia ka liʻiliʻi o 0,02mm. ʻO ka hana kūikawā i ka hanaʻana o nā pale kaua, uila i ke koho balota, nāʻano mea kōkua maikaʻi,

Loaʻa i kaʻoihana he 89 mau limahana, e like me 6 mau meaʻenehana a me nāʻenehana he 10 mau mea hana ikaika a me ka hoʻohanaʻana i ka noiʻi ikaika loaucts. Ua lōʻihi nāʻenehana i ka hoʻomohalaʻana i nā mea hou o nā mea hou o ka uila uila, a hoʻomohala mau i nā huahana hou. I kēia manawa, laweʻia nā huahana ma mua o 100 mau'āina a me nā'āina a puni ka honua, a ua hilinaʻiʻia e nā mea kūʻai hou a me nā mea kūʻai hou.

ʻO Tankii alloy a me nā huahanaʻoihana, hoʻokele pilikino, ka hoʻokele olakino,ʻo ka hoʻokele olakino.

Hoʻopili kaʻoihana i kahi o nā wahi o 16,000 mau mika square, nā mea kanu kūkulu maʻamau ma kahi o 12,000 mau mika papa. Aia ia ma ka hale kūʻai waiwai Xuzhou a me kaʻoihanaʻoihana i ke kikowaena kikowaena kiʻekiʻe. Well Unters, Exporters, Nā mea kūʻai aku e hoʻololi i ke alakaʻi,ʻike pū i nā huahana a me ka holomua o kaʻoihana.