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     The company is a first-class oil drilling & production accessory supply network member unit of CNPC and resource market member of SINOPEC. The company owns powerful research & development capability, advanced production equipment and scientific testing means, besides ISO9001 Certificate, API Certificate of Authority to Use Official Monogram and ISO10012 measuring guarantee confirmation, it has also been awarded the China patent"Jiangsu excellent Enterprises 100","AAA Qualification and Credit Enterprise","Honouring Contacts and Keeping Promise" in Jiangsu Province ... [ Detail ]