Ukuqamba
Ukuphumelela
I-HeBei UPIN Diamond Tools CO.,LTD yibhizinisi lobuchwepheshe obuphezulu elinamandla aqinile kwezomnotho namandla okucwaninga ngobuchwepheshe.lt itholakala endaweni Entsha Yokuthuthukiswa Kobuchwepheshe obusha yaseZhengding County,iDolobha laseShijiazhuang,eSifundazweni saseHebei.
Sigcina ukubambisana kwesikhathi eside neYanshan University, iHenan University of Technology kanye neShijiazhuang Vocational Technology Institute.Lawa maNyuvesi asinika amandla obuchwepheshe aqinile nabasebenzi abanekhono futhi asenze sigcine inzuzo eyengeziwe kwezobuchwepheshe.
Isevisi Okokuqala