According to General Administration of Quality Supervision, Inspection and Quarantine, "released on 61 categories of industrial production permit the implementation details of the notice" requirement, the 2011 version of DU bushing "bearing steel production permit the implementation details" from the March 1 implementation. But the country's industrial production permitMould guide plate review of the Office of the Ministry of steel products bearing bearing steel production licenses in the recent review process found that some plasic bushing companies lack of understanding of "bearing steel production permit the implementation details," the new requirements, not according plain bearing to the Regulations requires the establishment of and improve the quality management system, standardize production.
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