Yehui ali ku Ningbo, mzinda wapadoko wodziwika bwino ndi chuma chake champhamvu, akupanga ndi kutumiza kunja mitundu yosiyanasiyana ya zinthu ndi ntchito za mapaipi, ukhondo, makina otenthetsera, chingwe chotsuka madzi. Zogulitsa zathu zimaphatikizapo mitundu yonse ya mavavu, zovekera, zosakaniza, zosambira, Chalk bafa, HAVC ndi zina zotero. Timaperekanso opanga ena olemekezeka kunja zigawo zodalirika zosonkhanitsira. A wathunthu osiyanasiyana mankhwala opangidwa ndi mkuwa, mkuwa, nthaka, zotayidwa aloyi, pulasitiki, mphira, chitsulo ndi zitsulo zosapanga dzimbiri, etc. Zosiyanasiyana zilipo zomwe mungasankhe.