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Katleho
HeBei UPIN Diamond Tools CO.,LTD ke khoebo ea theknoloji e phahameng e nang le matla a matla a moruo le matla a ho etsa lipatlisiso tsa theknoloji.
Re boloka tšebelisano ea nako e telele le Yanshan University, Henan University of Technology le Shijiazhuang Vocational Technology Institute.Liunivesithi tsena li re fa matla a matla a tekheniki le basebetsi ba nang le boiphihlelo 'me li etsa hore re lule re e-na le menyetla e mengata ea theknoloji.
Tšebeletso Pele