Ua hoʻokumu ʻia ʻo Guanyu ma Qingdao i ka makahiki 1997, hoʻomaka me ka ʻoihana huahana ʻili lula. Me nā makahiki he 20 mau e hoʻomau a me ka hoʻolaʻa i ka hoʻomohala ʻana i ka hoʻolālā ʻana a me ka hana ʻana i nā huahana mālama, ua hoʻololi maikaʻi ʻia ka ʻoihana i mea alakaʻi alakaʻi aupuni no ka mālama ʻana i nā mea a me nā hopena mālama.
Hāʻawi mākou i nā hopena mālama ākea i nā ʻāpana nui o nā pahu ea, nā ʻūhā a me nā ʻōnaehana hoʻopaʻa, nā pahu mālama, nā papa pākeke, nā pēpē, nā lako hana a me nā lawelawe OEM ma nā mea āpau.