| year |
Specific time |
Name of the certificate |
|
|
2009-12-16 |
Slag material for removing impurity iron in aluminium alloy by electroslag refining ZL200910054600.5 |
|
|
2009-12-16 |
Removal of impurity iron in aluminum alloy ZL200910054601.X |
|
|
2010-1-6 |
Method for removing silicon elements in aluminum alloy ZL200910055214.8 |
|
|
2009-12-30 |
Slag material for removing silicon elements in aluminum alloy ZL200910055215.2 |
|
|
2009-12-30 |
Method for equiaxed grain refinement of ultra high pure aluminum ZL200910055605.X |
|
|
2009-6-24 |
Ultrasonic purification of high purity aluminum ZL200910045029.0 |
|
|
2009-4-1 |
Apparatus and method for detecting inclusions in pressure aluminum melt ZL200810201919.1 |
|
|
2013-7-31 |
Preparation method of globular Si phase Al-Si alloy with highly developed sub structure group ZL201310153404.X |
|
|
2007-10-17 |
ZL200710041479.3 chute device with electromagnetic purifier |
|
|
2003-1-8 |
Formulation for coating non-metallic inclusions in molten aluminum ZL02111573.7 |
|
|
2002-11-27 |
Aluminum melt filter with ceramic filter ZL02110685.1 |
|
|
2004-4-14 |
Hydrogen removal by high efficiency aluminum melt spraying ZL03150488.4 |
|
|
2001-4-25 |
Hydrogen removal rotary pulse blowing device for aluminum alloy melt ZL00125771.4 |
|
|
2001-4-25 |
Rotary hydrogen injection method for degassing of aluminum alloy melt ZL00125770.6 |
|
|
2003-10-22 |
Aluminum melt degassing rotary jet instrument baffle ZL03116605.9 |
|
|
2003.1.1 |
Vacuum continuous purification and purification equipment for high purity aluminium ZL02111338.6 |
|
|
2001-12-26 |
Surface coating process of composite filter for aluminum melt cleaning ZL01113089.X |
|
|
|
Method for filtering and purifying non-metallic inclusion in molten aluminum ZL01139255.X |
|
|
2002-8-7 |
Stirring active flux ZL01139254.1 for purification of inclusions in molten aluminum |
|
|
2002-8-7 |
Device for filtering and purifying non-metallic inclusion in molten aluminum ZL01139250.9 |