Not Fortune 500, Fortune 500 Years. One Craft, One Crown.

Research Achievements


Patent Certificate No.1500047

Patent Certificate No.1500047

Patent Ceitificate No.1549026

Patent Ceitificate No.1549026

Patent Certificate No.1500143

Patent Certificate No.1500143

Utility Model Patent Certificate No.21715516

Utility Model Patent Certificate No.21715516

Utility Model Patent Certificate No.21200863

Utility Model Patent Certificate No.21200863

Utility Model Patent Certificate No.21727167

Utility Model Patent Certificate No.21727167

Utility Model Patent Certificate No.19223774

Utility Model Patent Certificate No.19223774

Utility Model Patent Certificate No.20804297

Utility Model Patent Certificate No.20804297

Utility Model Patent Certificate No.20891975

Utility Model Patent Certificate No.20891975

Utility Model Patent Certificate No.18933240

Utility Model Patent Certificate No.18933240

Utility Model Patent Certificate No.20585816

Utility Model Patent Certificate No.20585816

Utility Model Patent Certificate No.17196175

Utility Model Patent Certificate No.17196175