Kaulana ʻia no kona maikaʻi i ka ʻoihana ʻaila a me ke kinoea, kū ka API 5L Seamless Steel Pipe ma ke ʻano he paragon o ka lōʻihi a me ka hana.Me nā ʻano papa like ʻole me Gr.B, X42, X52, X60, X65, a me X70, hoʻokō ia i nā koi koʻikoʻi o ka lawe ʻana i nā wai a me ...
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