Mumunda wecemented carbide, hengrui seHebei Renqiu makiyi ekugadzira mabhizinesi, akatofamba makore gumi nematanhatu mhepo nemvura kosi, ndeye renqiu epamusoro-tech mabhizinesi pamusoro pehukuru hwakatarwa, kambani yakapfuura ISO9001 yemhando yepamusoro management system certification, iyo yakanyoreswa chiratidzo. "hengtai ruixiang", yakasimwa carbide yekugadzirisa michina uye yekugadzira otomatiki uye zvichingodaro pane anopfuura gumi nyika patents.