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2005-2023
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Fengxin Technology
Fengxin Chuanyue
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Honorary qualifications
列表
Honorary qualifications
Invention patent certificate for a dust cleaning device on the inner wall of a ventilation duct
2024-07-13 15:00:35
0
2
Utility model patent certificate for airtightness testing device of sealed gas hood insulation board
2024-07-13 15:00:24
0
3
A utility model patent certificate for a cutting device used in the production of insulation boards
2024-07-13 15:00:05
0
2
Invention patent certificate for a type of air duct with good filtering effect
2024-07-13 14:59:52
0
1
A utility model patent certificate for a uniform sizing device used in papermaking
2024-07-13 14:59:40
0
1
Honor and Qualification
2024-07-13 14:59:34
0
2
Honor and Qualification
2024-07-13 14:59:28
0
1
Honor and Qualification
2024-07-13 14:59:22
0
1
Honor and Qualification
2024-07-13 14:59:16
0
1
Honor and Qualification
2024-07-13 14:59:11
0
1
Honor and Qualification
2024-07-13 14:59:05
0
2
Honor and Qualification
2024-07-13 14:58:59
0
1
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1
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