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Jierun oil and gas exploration

微信图片_20230512092932

Address:
Room 202, 14th Floor, Building 4, Science Avenue Advertising Industrial Park, High-tech Zone, Zhengzhou City

Email us :
hznbmdf@zzhxhg.cn

Call us on :
+ 0371-61779006

Our company focuses on the application of diamond composite bits

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