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Home
News
News Archives
About Us
History
Philosophy and Mission
Organization
Certification
Terms
Compliance
Supplier Code of Conduct
CSR
GDPR
Products
Wire & Cable
Flexible Flat Cable
Advanced Cable Assembly
Flexible Printed Circuit
Compound Semiconductor Substrate
Heatspreader Material
SUMITUBE™ Heat Shrink Tubing
SUMITAG™ Marking System
Printers
Printable Heatshrink Sleeves
Cable Labels
Raised Panel Labels
Ribbons
Sumilabel - Software
Marking, Protection & Identification
Polyolefin
PTFE
PVC Sleeving & Markers
Silicone Rubber Sleeving & Markers
High-Speed Data Cable
POREFLON™
CELMET™
medwire
EDM
Group Partners
Contact
Contact UK Branch
Contact German Branch
Contact French Branch
Contact Italian Branch
Contact Identification Sales
Contact Heinrich Thulesius GmbH & Co. KG
SEID_ISO14001_2024.pdf
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SEID_OHSEM Policy.pdf
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SEID_SCoC_English.pdf
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SEID_Quality Policy.pdf
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SEID_ISO45001_2025.pdf
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SEID_Declaration of Compliance.pdf
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SEID_General Terms & Conditions of Purch
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SEID_Supplier Quality Requirements.pdf
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SEID_EN9120_2025.pdf
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SEID_BAE_Open.pdf
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SEID_QA_Declaration of Compliance.pdf
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SEID_EN9100_2025.pdf
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