product standards up to or more stringent than the national standards. Industry standard requires companies should provide written materials: A copy of the implementation of the standards of enterprises The relevant departments of the need for the implementation of the enterprise standards or local standards that the level of implementation of the standards up to or more stringent than the national standards, industry standards.

product in the national quality and technical supervision departments at or above the provincial (provincial) recently organized the supervision and inspection more than three times in a row (three times) were qualified, And there is no unqualified within two years of the enterprise should provide written materials: 3 per cent of the qualified quality supervision and inspection report.

Quality Supervision and inspection reports must be derived from the Vice-provincial-level cities) above the provincial level (including municipalities and inspection of quality and Technical Supervision Organization;