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Certification

In 2002 and 2004,the company was identified as “high-tech enterprise in Henan province”by the office of Science and technology of HenanProvince.

In 2002,the product was identified as high-tech product.

In 2004,the focus of National Torch Program to support enterprise.

In 2002,the company has passed the “ISO9001:2008 Quality Management System”certification.

In 2007,the company was considered as engineering research center of Zhengzhou city.

In 2009,the company was considered as enterprise technology center of Zhengzhou city.

In 2009, the company was considered as new high-tech enterprisce.

In 2010,the company have been identified as enterprise technology center of Henan province,set up one research and development institutions.

In 2011,”Yalong brand of drilling series have been honored China Famous Brand”

In 2012,the company have been identified as engineering technological reseach center of Henan province.

In 2012,the company once again through the review of high-tech and technology enterprise

 

 National torch program project certificate

National Torch Program Project Certificate

 ISO 9001

Ios9001

sinusoidal polycrystalline diamond compact 

sinusoidal polycrystalline diamond compact

 round table shape polycrystalline diamond compact

round table shape polycrystalline diamond compact

 polycrystalline diamond compact for DTH bits

polycrystalline diamond compact for DTH bits

 bread shape polycrystalline diamond compact

bread shape polycrystalline diamond compact

Chinese Famous Brand 

Chinese Famous Brand