History 1 페이지

01. Patent application (valve assembly with synthetic resin sheet with excellent physical properties)

08. Patent application (valve assembly with a synthetic resin sheet)

10. Patent application (valve opening / closing device)

12. Qualification of five major power plant maintenance companies in Korea

03. CE PED Certification

03. Ball Valve Patent Registration

03. Patent Application (Valve Assembly Having An Engineering Synthetic Resin Sheet)

04. ISO 9001, ISO 14001 Recertification (Certification Authority Isc)

04. Patent Application (Valve Opening And Closing Device)

05. Defense Venture Company By The Incheon Convention Center

06. CE ATEX Certification

06. Patent Application (Multi-Link Device)

08. Patent Application (Valve Assembly With A Synthetic Resin Sheet)

11. POSCO 1 Primary Vendor Register

12. Obtained Patent (Valve Assembly Having An Engineering Synthetic Resin Sheet)

02. Direct Production Certificate-Valve

03. Venture Business Certification

07. Korea Jungbu Regional Employment And Labor Administration, Award Citation

09. The Ministry Of Knowledge Economy, Award Citation

11. Prospective Medium &Small Enterprise

11. Vision Company Recognized

01. Obtained Patent (Butterfly Valve - 3 Offset Asymmetric Disk)

03. Parts And Materials Specialized Company Certification

03. Venture Company Certification

03. nnobiz Certification

06. ISO 9001 Certification (Design Of The Valve, Development, Production And Value Added Services)

06. Excellent Product Quality Designation Incheon

07. ISO 14001 Certification (Design Of The Valve, Development, Production And Value Added Services)

03. Research And Development Department Certification

03. Daeryun Eng Change The Company Name

05. Obtained Patent (Valve Of Sealing)

04. Valve Of Sealing Devices Utility Model Registration

06. ISO 9001, KS 9001 Certification

10. V-Notch Ball Valve Production

05. Butterfly Valve Production (Metal Seat: Leakage Class Vi.O-Ring Not Equipped)

02. Production Control Valve (Metal Seat : Leakage Class Vi, O-Ring Not Equipped)

07. Daeryun Machine Founding