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ʻO mākou kekahi o nā mea hana hammer jack drilling jack kaulana i Kina, ʻoihana i ka hana ʻana i nā mea hana wili pōhaku me ka hana nani a me nā mea ʻoi aku ka maikaʻi, i hana ʻia e like me nā kūlana ʻoihana ʻoihana a me ka CE, ISO9001 quality management system certification.He maʻalahi kēia mau mīkini wili e hoʻokomo, hana a mālama.ʻO nā mīkini wili ke kumu kūʻai kūpono a maʻalahi hoʻi e hoʻohana.Hoʻolālā ʻia ka pahu pōhaku e paʻa a paʻa, ʻaʻole maʻalahi i ka pōʻino, me ka nui o nā mea hoʻonaninani pōhaku