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Patent Certificates & Compliance Documents

Our patent certificates reflect continuous engineering work in magnetic component design, structural optimization and manufacturing improvement. For custom transformers, inductors, chokes and ferrite-based components, reliable performance often depends on more than material selection alone. It also requires practical design experience in winding structure, insulation layout, thermal behavior, EMI suppression and production consistency.

Nanjing Infinity Technology continues to improve its magnetic component solutions through application-driven development. These patent records represent selected achievements related to product structure, process optimization and performance-oriented design, helping customers evaluate our technical foundation beyond standard product specifications.

Relevant patent and technical documentation can be provided as supporting material for supplier qualification, engineering review and customized project discussions where applicable.

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Name	Size	Downloads	Update	Copy Link	Download
SQ2820系列英文（卧式）.pdf	43.58MB	1	2025-12-18	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=crKfqHBisVFZ&dp=GvUApKfKKUAU	Download
SQ2820系列英文（卧式）.pdf	43.58MB	0	2025-12-18	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=dtpUBwgNsLOE&dp=GvUApKfKKUAU	Download
SQ2820系列英文（卧式）.pdf	43.55MB	1	2025-12-18	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=brfpBcqYNKuO&dp=GvUApKfKKUAU	Download
EER35 6+6.pdf	2.06MB	2	2025-12-17	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=yifUqbekHPyt&dp=GvUApKfKKUAU	Download
PQ3220.pdf	4.64MB	0	2025-12-17	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=FypfqQIetlJO&dp=GvUApKfKKUAU	Download
EI30(5+5).pdf	1.56MB	0	2025-12-17	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=FbpAgvnIekSE&dp=GvUApKfKKUAU	Download
EF25 Horizontal (5+5).pdf	1.61MB	0	2025-12-17	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=sLUKqvydHQCj&dp=GvUApKfKKUAU	Download
ER3902 7+7.pdf	1.67MB	1	2025-12-17	Copy Link https://www.inftechs.com/phoenix/admin/download?fileId=nZpfLlnGbKiO&dp=GvUApKfKKUAU	Download

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