your current position：about us ﹥longchem trademark registration
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quality certification
- iso9001: 2008 quality management system
- company has been certified eu ce certificate
- company patent certification: cover film lamination machine
- patent certificate: flexible circuit boards vacuum pressure machine
- longchem trademark registration
- patent certification: double continuous cover film lamination machine
- utility model patent certificate: vacuum pressure machine
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longchem trademark registration