Ningbo Yinzhou Ke Ming Machinery Manufacturing Co., Ltd. okhazikika mu kupanga otayika castings sera ndalama ndi zomalizidwa mu mpweya zitsulo ndi otsika aloyi zitsulo, ndi katundu wa castings ndalama ndi ndondomeko madzi galasi China.
Monga akatswiri China opanga Zitsulo Zoponyera ndi Carbon Steel, Aloyi Zitsulo, malo opangira zitsulo zosapanga dzimbiri, tili ndi fakitale yamakono ndi zida zapamwamba za CNC.Amadziwika ndi miyezo yosiyanasiyana ya mafakitale, monga Chinese GB, American ASTM, AISI , German DIN, French NF, Japanese JIS, British BS, Australian AS ndi Association of American Railroads (AAR) ndi miyezo ina ya mafakitale.