Xi an Heaven Abundant Mining Equipment CO.,LTD
Ang isang propesyonal na pdc cutter, pdc, bit, pdc core bittagagawa
Tirahan B302 Productivity Building Dianzi 3rd road ng yanta district, XI'an, shaanxi province, China
Website: www.tydrillbits.com
Tel: + 86 29 88894370
fax: + 86 29 88894370-602
email: robert@tydrillbits.com