Certification
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- 1976. 09. 18
- Acquire the KS (Korean Industrial Standard) mark on the PE Film.(The Department of Industrial Promotion)
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- 1982. 12. 17
- Register the ' TAJOPYO' Brand- PE Film
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- 1992. 03. 30
- Acquire the Patent right for the Plastic film for tobacco leaves.(Korean Industrial Property the 053365th)
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- 1995. 12. 08
- Acquire the Korean Plastic Standard Presentation License (P/L) Acquisition.
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- 1996. 09. 17
- Register the 'Pet Sheet ' PLASTAR ' Brand. (Korean Industrial Property, the 346968th.)
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- 1999. 03. 30
- Register the 'Covering Film joint device.'
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- 1999. 03. 30
- Apply for Patent right of Alloplasm improved A-PET. (Korean Industrial Property, 99-8413th
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- 2001. 03. 10
- Acquisition ISO 9002. (Hwa-yun Attestation
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- 2001. 03. 27
- Register the 'PLAGLAS' brand. (The application No. : 40-2001-0012795)
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- 2001. 05. 07
- Apply for the UL attestation for the 'PLAGLAS PC SHEET.'