Xi an Heaven Abundant Mining Equipment Co.,LTD
A sana'a pdc cutter, pdc, bit, pdc core bitmanufacturer
Adireshin: B302 Haɓaka Aikin Gina Dianzi Hanya na 3 na gundumar Yanta, XI'an, lardin Shaanxi, Sin
Yanar Gizo: www.tydrillbits.com
Tel: + 86 29 88894370
Fax: + 86 29 88894370-602
email: robert@tydrillbits.com