To obey the quality control method of industrial products in order to meet the standards as follows:1. get a license. Must be allowed after the monitoring as defined and specified in the permit, the factory quality control products. At least according to the specific guidelines on the requirements for certification of the product. Liquid petroleum gas cylinder: the standard composite cylinder No. 2411 TIS-552. Is as follows:Quality control) must meet clear narabop quality control activities the product as an appendix. The certification basis of the product. Information as specified in the attached end of the terms in the license.(B)) must be controlled/check/test the standards set by that individual may check by the licensee or another person assigned.C) must have a test list in accordance with the specific guidelines on the requirements for product certification is at least, and it must be regularly tested at the factory.
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