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ASTM A 106 ʻEleʻele Carbon Seamless Steel Tubes no nā ʻano lawelawe lawelawe wela kiʻekiʻe
na admin ma ka 23-05-12
Ma Botop, hoʻohanohano ʻia mākou i ka lālā honua o Hebei allland Steel Tube Group, a ke kūʻai pū nei mākou i kahi ākea o nā paipu kila seamless e hoʻokō i nā pono o nā mea kūʻai aku.
Heluhelu hou aku