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![]() In June 2005, the company passed the DNV ISO9001, ISO14001 and OHSAS18001 system certifications all together, and in October 2006, it also passed the American Petroleum Institute`s API Spec 5CT and API Spec 7-1 as well as API Spec 7K product standard certifications. The effective implementation of the certification systems has ensured the standard management of the company, effectively protected the quality of products, and promoted the continuous improvement of market competitiveness. [Details] |