Nyob rau hauv lub tshav pob ntawm cemented carbide, hengrui li Hebei Renqiu cov tuam txhab tsim khoom tseem ceeb, twb tau taug kev los ntawm 16 xyoo cua thiab nag hauv chav kawm, koom nrog renqiu high-tech tuam txhab saum toj no qhov loj me, lub tuam txhab tau dhau ISO9001 kev tswj hwm kev pov thawj zoo, lub npe lag luam. "hengtai ruixiang", tau cemented carbide ua cov cuab yeej thiab tsim automation thiab yog li ntawm ntau tshaj 10 lub teb chaws patents.