We are one designated manufacturer of network of China Petroleum and Chemical Stock Copany Material and Equipment Department and DINOPEC Material and Equiment Department.We passed the ISO authorization form Quality Manage System Center in 2001. Our products such as tubin g (5CT-0601),sucker rod (11B-0057), manifold (16C-0035),wellhead equipment (6A-0646) and PDC bit (7-0421) have the right to use API monograms. In September, 2003, we gained the license of national production on sucker rod. In Nov, 2003, we obtained the People’s Republic of China Metrol-ogy Accreditation Certificate and have the right to work out the inspecting report on which using CMA monogram.

API证书　　　　　ISO证书与入网证　　　　生产许可证

API5CT-0601	API6A-0646
API11AX-0075	API11B-0057
API11E-0082	API16A-0196
	API16C-0035