... Zhuzhou City, Hunan, China 4. have 10 years' exprience in tungsten cabide industry TypeSize(mm ... ,9.0,9.5,102220-60BDd 25 H1.0,6.0,7.0,8.0,10.0,10. ... 8.8,10.0,10.6,11.43020-60BDd 35 H8.0,8.8,10.0,11.8,12.5,13 ... .8,14.5,15.7,16.53520-60BDd 40 H10,11,11. ... ,20.5,21.54525-80BDd 50 H10,12.3,15,15.8,17.4,20 ... had been established. We have a only 10% turnover of staff. Our fixed assets is ...