ʻO ka hui ʻenehana o Hangzhou Qingqi Dust Environmental Protection Technology Co., Ltd. he ʻoihana loea i ka noiʻi a me ka hoʻomohala ʻana, ka hana ʻana, ke kūʻai aku, ka lawelawe, ka hana a me ka mālama ʻana i nā mea hoʻomehana uila a me nā ʻōnaehana loiloi. Hoʻopili mau ka ʻoihana i ka hoʻolālā hoʻomohala o ka hoʻomohala a me ka hana hou a hilinaʻi piha i nā kumuwaiwai kanaka. ʻO nā pōmaikaʻi, e hāʻawi ana i nā mea kūʻai aku i nā ʻōnaehana loiloi kiʻekiʻe, hilinaʻi kiʻekiʻe, a me nā kumu kūʻai. Ma muli o ka ʻoihana hou a me ka ʻenehana hou a me ka 13th Five-Year National Development Plan, ua holomua ka hui i ka naʻauao,