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china drawstring bags manufacturers cjeap personalized drawstring bags wholesale custom made in china suppliers manufacturers…..inspection. What kinds of specific tests to be packaged, frozen foods should be built depending on the characteristics and sensitivities, packaging material types and national standards and regulatory requirements. Frozen food bags can be detected as follows: ① bags force and strength properties of the test; ② bags seal strength testing; ③ bag opening performance testing; ④ bags impact performance testing; tightness test ⑤ bags; ⑥ bag tearing test; ⑦ heat resistance; ⑧ oil resistance test. 7, packaging standards and regulations. Packaging operations should strictly comply with national standards and regulations, export products should comply with the relevant standards and regulations of the importing country. The only way to ensure the smooth supply of raw materials from packaging, packaging operations, circulation of commodities and international trade processes. With the development of market economy and international trade, standardization of packaging, standardization and more important, the only way to make our products further.
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