Ua hoʻokumu ʻia ʻo Gangxin Technology Group i ka makahiki 2002, a ʻo kāna ʻoihana nui: nā mea hoʻolako kiʻekiʻe o ka nui o nā lako maka, nā ʻāpana, nā lako kūikawā a me nā ʻāpana ʻokoʻa, ʻenekinia, nā mea kani a me nā mika, nā mea hoʻohana metallurgical o nā hui hao a me ke kila, a me ka hoʻomohala ʻana o ke kila. nā māla hana hohonu i ka ʻoihana bearing, ʻoihana puna, ʻoihana ʻāpana kaʻa, ʻoihana bolt, a me ka ʻoihana kila mea hana me nā hui hao a me ke kila kaulana.