Haofeng amashanyarazi, gucapa no gusiga irangi ryumwuga mumujyi wa Mayong, Umujyi wa Dongguan uherereye muri Chung ya kabiri, Umuhanda wa Guangma, hagati yumujyi wa Mayong, Umujyi wa Dongguan.Kugeza ubu, ikibanza cyubatsemo metero kare 326.600 yinganda zisanzwe zinganda na metero kare 25,600 yibiro.Kugeza ubu, amasosiyete 23 y’amashanyarazi akwirakwijwe mu mujyi wa Dongguan yatuye muri icyo kigo.Muri Dongguan Haofeng amashanyarazi, gucapa no gusiga irangi ryumwuga, electromagnetic flowmeter, metero pH, metero ya ORP hamwe na metero yimikorere yikimenyetso cya Sinomeasure bikoreshwa mubikoresho byo gutunganya imyanda ihuriweho na parike.
