Kwa cholumikizira chachimuna cha metric , aliyense ali ndi nkhawa zapadera za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, kotero mtundu wa cholumikizira chachimuna chathu chalandilidwa bwino ndi makasitomala ambiri ndipo amakhala ndi mbiri yabwino m'maiko ambiri. . Yuyao Ruihua Hardware Factory metric male cholumikizira ali ndi mawonekedwe & magwiridwe antchito & mtengo wampikisano, kuti mumve zambiri za cholumikizira chachimuna cha metric , chonde omasuka kutilankhula nafe.