Xi an Heaven Abundant Mining Equipment CO., LTD
Ib tug kws pdc cutter, pdc, ntsis, pdc core ntsisChaw tsim tshuaj paus
chaw nyob: B302 Productivity Building Dianzi 3rd txoj kev ntawm yanta koog tsev kawm ntawv, XI'an, shaanxi xeev, Suav teb
lub vas sab: www.tydrillbits.com
Tel: + 86 29 88894370
Fax: + 86 29 88894370-602
Email: robert@tydrillbits.com ib