Uhi ka ʻoihana i kahi ʻāpana o 20000 mika kuea a ʻoi aku ma mua o 200 mau limahana. I kēia manawa ua lilo ia i mea hana. Loaʻa i ka ʻoihana kahi hui o nā ʻenekinia ʻoihana, nā loea, a me nā hoa hoʻolako lōʻihi i ka hoʻomohala ʻana i ka ʻōpala, ʻenehana make-casting, ʻenehana mīkini kikoʻī a me ka ʻenehana polishing, electroplating a me ka ʻenehana pīpī no nā huahana kiʻekiʻe, a me kona ikaika loea ikaika e hiki ke hoʻomohala i nā huahana like ʻole no nā mea kūʻai aku. Zinc alloy, keleawe, nā huahana alumini alloy, nā huahana hoʻolei pololei kila kila, a me nā huahana lako, a hāʻawi i nā lawelawe loea maikaʻi loa.

Ua hoʻokumu ʻia ʻo Ningbo Huazhu Precision Machinery Co., Ltd. i ka makahiki 2007 ma Ningbo, Zhejiang, Kina. Mai kona hoʻokumu ʻia ʻana, ma hope o kekahi mau makahiki o ka hoʻomohala ʻana, ua ulu ka ʻoihana i kahi ʻoihana hana piha e hoʻohui ana i ke kūʻai aku, ka hoʻomohala ʻana, a me ka hana ʻana. No nā makahiki he nui, ua kūpaʻa ʻo Huazhu Company i nā lako lumi ʻauʻau, nā pendants lumi ʻauʻau a me nā hinges, ka hana ʻana a me ke kūʻai aku ʻana i nā lako puka a me nā puka makani, i kēia manawa no nā mea kūʻai aku he nui ma ka home a ma waho e hāʻawi i nā huahana a me nā lawelawe kiʻekiʻe, lanakila i ka hoʻomaikaʻi ʻia e nā mea kūʻai aku. Hoʻopaʻa mau ka ʻoihana i ka "hana waiwai no nā mea kūʻai aku, lawelawe lanakila-lanakila me nā mea kūʻai aku ma ke ʻano he pahuhopu! E hoʻokō i ka moeʻuhane no nā limahana"