Xi an Heaven Abundant Mining Equipment CO.,LTD
A profesional pdc cutter, pdc, bit, pdc inti bitProdusèn
Alamat: B302 Gedung Produktivitas Dianzi 3rd road distrik yanta, XI'an, provinsi shaanxi, China
situs web: www.tydrillbits.com
Tel: + 86 29 88894370
Fax: + 86 29 88894370-602
email: robert@tydrillbits.com