2009 / 12 / 29
"Auxiliary System for Mechanical Seal Maintenance" has gotten the Certificate of Utility Model Patent
ZL200920113407.X    Auxiliary System for Mechanical Seal Maintenance
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2009 / 12 / 14
" Mechanical Seal for Vessel under Pressure and Corrosive Conditions " and " Agitating Equipment with Self-lifting Device " have gotten the Certificates of Utility Model Patent
ZL 2009 2 0003160.6   Mechanical Seal for Vessel under Pressure and Corrosive Conditions ZL 2009 2 0003159.3   Agitating Equipment with Self-lifting Device
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2009 / 11 / 30
"Combined Impeller" and "Hybrid Impeller" have gotten the Certificates of Utility Model Patent
ZL 2009 2 0003581.9  Combined Impeller ZL 2009 2 0003580.4  Hybrid Impeller
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2009 / 07 / 27
"A type of Magnetic Drive Equipment for High Temperature" has gotten the Certificate of Invention Patent
ZL 2005 1004 1415.4   A type of Magnetic Drive Equipment for High Temperature
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2009 / 06 / 30
GREATWALL MIXERS becomes a managing director of The Association of Quality and Technical Supervision of Wenzhou
Tablet of Managing Director
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2009 / 06 / 09
GREATWALL MIXERS has gotten the certificate of High and New-technology Enterprise
Certificate of High and New-technology Enterprise
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2009 / 06 / 08
GREATWALL MIXERS has gotten the honor of Year 2008 Top 100 Enterpries
Honor Tablet of Year 2008 Top 100 Enterpries
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2009 / 06 / 04
GREATWALL MIXERS has been one of Year 2008 Ten Major Scientific and Technological Innovation Enterprises
Tablet of Year 2008 Ten Major Scientific and Technological Innovation Enterprise
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2009 / 04 / 30
President Yu has gotten the title of The Sixth Outstanding Professional of WenZhou
Certificate of honor
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2009 / 03 / 30
Greatwall Technical Center has gotten the honor of Greatwall New Mixing Technology R&D Center of Zhejiang Province
the tablet of Greatwall New Mixing Technology R&D Center
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