ʻO Hebei dashan fasteners co., ltd he pūʻulu hana hoʻopaʻa paʻa nui, he nui nā hale hana hana.ʻO nā huahana o ka hui a me China Construction Group, China Railway Group, China Metallurgical Group, China Communications Group, China Coal Group i hoʻokō i ka pilina hohonu.
Ua hoʻopuka nā ʻāina he nui i nā kulekele ʻaʻole e ʻae i ka hoʻohana ʻana i ka ʻenehana welding e hoʻopili i nā kaula e like me ke kākoʻo ʻana i nā hale, no laila ka puka ʻana o ka lima kila e hoʻonā i kēia pilikia, me ka hoʻohana ʻana i ka lima e hoʻohui i ʻelua mau kaula, kūpaʻa a paʻa.