公司简介
Shanaxi hai nai sen Petroleum Technology Co.,Ltd is engaged in the diamond drill bit, diamond core bit, geological
exploration and mining bit of research and development, manufacturing and sales. Company located in JingWei Development Zone
In Xi'an City， it across 2 rivers, with convenient transportation, rich products, good folkway and beautiful scenery.
http://www.pdcoiltool.com
相关证明的文件
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