Pehea e helu ai i ka torque hoʻopaʻa ʻana i ka bolt

ʻO Hebei dongshuo Engineering Materials Co., Ltd. ua kūpaʻa i ka hana a me ka hoʻomohala ʻana i nā mea hoʻopaʻa like ʻole. Hoʻohana nui ʻia nā huahana i ka mana uila, ka hale kila, ke kūkulu ʻana, ka mining, photovoltaic, machinery, transport, railway and other fields. Pūnaehana hoʻokele e hāʻawi i nā mea kūʻai aku me ka kikoʻī, mālama a hōʻoia i ka lawelawe hoʻokahi.