Xi'an Tydrillbits Co.,Ltd
Address:Num.11 Dianzi 3rd road Yanta district Xi'an China
Tel:86 29 88894370
Fax:86 29 88292894
Mail:robert@tydrillbits.com
Website:http://www.tydrillbits.com/
Contacts:tianyukuangshan （Mr）
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