SEI
  SUMITOMO ELECTRIC Interconnect Product Inc.
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SEIP Company Profile
SEIP (Sumitomo Electric Interconnect Products, Inc.) Who We Are
World leaders in heat shrink technology
Global Network Global Network
Worldwide manufacturer and sales of heat shrink tubing products
Where to buy SEIP products Ready to buy?
Find out where and how to buy SEIP products
SEIP's Commitment to the Environment Commitment to the Environment
We supply environmentally friendly products
Product Top
Sumitube® Sumitube® Shrink Tubing
Heat shrink tubing meets all major commercial and military specifications
Sumitube® STS STS Solder Devices & Crimp Kits
Immersion resistant shield terminators and related products
Sumitube® STS Sumitag™ Identification Products
Cable identification marking systems and products designed for high performance applications
Sumimark®IV System SumiMark® Marking Systems
Heat shrink tubing thermal marking system designed for high volume printing
Poreflon Products Poreflon Products
PTFE microporous membranes and filtration products
SM-CM Products SumiMark® SM-CM
Flat, printable marker tags designed for retrofitting applications or use on larger cable assemblies not applicable for heat shrinkable identification
Certificate of RoHS Comliance SUMITUBE® and SUMIMARK® Tubing products are RoHS compliant for minimal environmental impact.    Certificate of RoHS Compliance
What's New Archives
Apr 08, 2016  
  SEIP is happy to announce completion and certification to ISO9001:2015
Jan 19, 2016
  SumiMark IV-200 DPI Marking System and Software Announcement
Nov 02, 2015
  SM Heat Shrink Tubing Discontinuation
Effective 12/31/15, SM3 heat shrink tubing will continue manufactured
Sep 01, 2015
  Sumitag™ Product Release
Jun 01, 2015
  SumiMark II Marking System Support Announcement