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Grandsyn ™ Insulation Paper and Pressboard
Grandsyn ™ Insulating Structural Components
Grandsyn ™ Lead Exit Systems
Grandsyn™ Laminated Wood
Grandsyn™ Insulation Materials Supermarket
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National level specialized and innovative 'little giant'
The first batch of key "little giant" enterprises
National high-tech enterprise
Hunan Province Small Giant Enterprise
Hunan Province Manufacturing Industry Single Champion Product Enterprise
Hunan Province Industrial Quality Benchmark Enterprise
Benchmark enterprise for intellectual property application in the industrial sector of Hunan Province
Hunan Province Demonstration Enterprise for Trade Secret Protection
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