Quality Assurance
     The Group is developed on the policy of quality first. In 1995, the Group got the ISO9001/2000 QUALITY SYSTEM CERTIFICATE. In 1997, the Group was granted the right to use API Spec. 8A, 4F, 11E ,7K and 8C monogram on the products by API. A metal and minerals inspection lab was set up in the plant by Henan Verification and Quarantine Inspection Bureau for Entry and Exit Custom.

Service
      The Group insists on the marketing idea with customer as a core, establishing professional service stations in all domestic oilfields，forming multi-dimensional and all process service system including installation, adjustment, training, maintenance and spare- part supplies.