Hoʻokumu ʻia i ka makahiki 2002, I nā makahiki i hala aku nei ma mua o 20 mau makahiki, ʻo Xinghua Huayu Electronics Co., Ltd. e nānā mau i ke kahua o nā ʻāpana acoustic.Hoʻopili mākou i kahi o 6000 square meters, hoʻomaʻemaʻe i ka hale ma kahi o 3000 square meters.Loaʻa i nā huahana nā buzzers / ʻāpana ʻōlelo liʻiliʻi / ultrasonic piezoelectric sensor a me nā capacitors CBB.I nā makahiki, hāʻawi mākou i kā mākou mea kūʻai aku i ka maikaʻi o nā huahana a me nā lawelawe.Ke hoʻohana nei i ka hoʻokele waiwai kūloko, ua lilo mākou i hoʻokahi o nā mea hoʻolako kaulana o nā mea acoustic i ka ʻoihana.ʻO kā mākou hōʻailona "HYDZ" mau me ka maikaʻi maikaʻi ma ka mākeke ma loko a ma waho.