Yehui iherereye ahitwa Ningbo, umujyi w’icyambu uzwi cyane mu bukungu bukomeye, Yehui akora kandi akanasohora ibicuruzwa bitandukanye na serivisi z’amazi meza, ibikoresho by’isuku, sisitemu yo gushyushya, umurongo utunganya amazi. Ibicuruzwa byacu birimo ubwoko bwose bwa valve, fitingi, kuvanga, kwiyuhagira, ibikoresho byo mu bwiherero, HAVC nibindi. Turatanga kandi abanyacyubahiro bubahwa mumahanga ibice byizewe byo guterana. Ibicuruzwa byuzuye bikozwe mu muringa, umuringa, zinc, aluminiyumu, plastike, reberi, ibyuma n'ibyuma bidafite ingese, n'ibindi. Ubwoko butandukanye burahari kubyo wahisemo.