XI Coelum Abundans Mining Equipment CO.,LTD
A professionalem pdc cutter, pdc, bit, pdc core bitfabrica
Address: B302 Productivity Building Dianzi 3rd road of Yanta district, XI'an, Shaanxi provincia, China
Website: www.tydrillbits.com
Tel: + 86 29 88894370
Fax: + 86 29 88894370 602,
Email: robert@tydrillbits.com