COMPANY PROFILE PRESENTATION DUNLI GROUP - Hangzhou China www.dunli.com
I NDEX 1 . General Presentation About the group Group turnover The leadership of Dunli Company history timelines Application for Dunli products 2 . R&D and Test 3 . Organization & Production Aerofoil fan Dunli divisions Aileron impeller fan Dunli production facilities Rain test Quality certifications Overspeed & Vibration test Customers Environment test Our mission Lifetime test www.dunli.com
www.dunli.com General Presentation 1 .
About the Group 8 SUBSIDIARIES 530 MIL $. TURNOVER ESTABLISHED SINCE 1980 AROUND 1.300 ENPLOYEES 300.000 SQM MANUFACTURING AREA OEM MANUFACTURER FOR LEADING FANS www.dunli.com
www.dunli.com Group Turnover
www.dunli.com Fan Business Turnover
The leadership of Dunli DUNLI IS LEADER IN CHINA FOR PRODUCTION OF AXIAL & CENTRIFUGAL FANS. AND LEADER FOR EC FANS. www.dunli.com
Com pany history tim elines up to 2 0 1 7 8 SUBSIDIARIES - 3 SUBSIDIARIES have own logo for sales. - 2 SUBSIDIARIES only supply to one customer. - 3 SUBSIDIARIES only supply internally. 1980 2000 2010 2020 www.dunli.com
www.dunli.com Main products of Dunli Group
www.dunli.com Dunli fan products
www.dunli.com Condensers Air Cooled Application for Dunli products Condenser Radial
Application for Dunli products Heat Recovery Unit www.dunli.com
www.dunli.com IT Cooling Application for Dunli products
www.dunli.com R&D and Test 2 .
Aerofoil fan Plastic moulding or aluminum die-casting allow the using of airfoils （ NACA,etc ） in aerodynamics design. 200- 500- 500mm 800mm plastic Aluminum blades or plastic fans blades fans www.dunli.com
Aileron im peller fan Exclusive patent of DUNLI Vortex reduced Overall efficiency improved Significant reduction in noise Lower unbalancing weight/ lower vibration www.dunli.com
Rain test Over 15 days rain test in R&D process. Certificated by National electrical safety quality supervision and inspection center www.dunli.com
Overspeed and vibration test Over 150% of rated speed test. Vibration test certificated by National Electrical Safety Quality IMG_7975.MOV Supervision and Inspection Center www.dunli.com
Environm ent test Constant temperature 70 ℃ , 24/ 72 hours. -40 ℃ , 24/ 72 hours. Variable temperature -40~ 70 ℃ , 8 hours, 5 circulations. Constant humidity & temperature 40 ℃ , 93% humidity, 96 hours. www.dunli.com
Lifetim e test Subjected to over 200.000 times on-off cycles test. 5 years lifetime test. www.dunli.com
www.dunli.com Organization & Production 3 .
Dunli divisions 1. Stator workshop 7. Warehouse 2. Assembly workshop 8. Sheet-metal workshop (1.500.000 FANS/ YR) 9. Sister company 3. Rotor workshop 10. Sister company 4. Grill workshop 11. EC assembly workshop 5. Test laboratory (200.000 FANS/ YR) 6. New powdering workshop www.dunli.com
www.dunli.com Dunli production facilities
www.dunli.com Dunli production facilities
www.dunli.com Dunli production facilities
www.dunli.com Dunli production facilities
www.dunli.com Quality certifications
www.dunli.com Custom ers
www.dunli.com Our m ission
THANK YOU FOR YOUR ATTENTI ON www.dunli.com www.dunlielectric.com www.dunli.com
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