I kēia mau lā iho nei, ua hoʻokipa kā mākou hui i nā mea kūʻai aku mai nā ʻāina ʻē he nui, me nā mea kūʻai aku Korea, nā mea kūʻai aku India, nā mea kūʻai aku Dubai, a me nā mea kūʻai aku Bahrain.

Ua hele mai lākou i ka ʻoihana no ka nānā ʻana ma kahi, ʻo ka mea nui e hoʻololi a kamaʻilio me nā kauoha a me nā waiwai hou. I kēia manawa, ʻo kā mākou mau kauoha e hoʻomau nei e komo pū me nā paipu kila metala.ASTM A335 P5, P9, p11, P22Paipu kila humuhumu ʻoleASTM A106 GrB48.3*5.08 etc, i kēia manawa ke hoʻouna ʻia nei nā waiwai a ke hana ʻia nei, hana ʻia a nānā ʻia nā waiwai.

I kēia mau lā aku nei, ua nui ka nui o nā kauoha a ua paʻa ka waihona. Inā he koi kauoha kāu, e ʻoluʻolu e kelepona mai iaʻu i ka hikiwawe loa, inā ʻaʻole, loaʻa paha iā ʻoe ke kālā. Akā, ʻaʻole hiki ke kūʻai ʻia ka nui a me ke kumu hoʻohālike o ka paipu e pono ai.