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Shanghai Lontom Electric Material Co., Ltd. – ISO-certified manufacturer since 2010, delivering high-performance expandable sleeving, insulation tapes, and protective materials for automotive, industrial, energy, and railway applications.
Years Experience
Founded
Shipping
Certified
Compliant
Founded in 2010, Shanghai Lontom Electric Material Co., Ltd. is a leading manufacturer and supplier of high-quality heat shrink tubing, expandable sleeving, electrical insulation materials, and specialty protection solutions.
We specialize in providing reliable, UL-rated materials for wire harness and cable protection across automotive, industrial, energy, and railway sectors. Our commitment to excellence ensures every product meets or exceeds customer expectations.
Engineered for performance, durability, and safety in demanding environments.
Flexible, flame-retardant tubing for wire insulation and protection. Available in multiple diameters and shrink ratios.
Braided sleeving for cable bundling and abrasion resistance. Easy to install and expandable for complex harnesses.
High dielectric strength tape for splicing and insulating electrical connections.
High-temperature protection for wires and cables in extreme environments.
Waterproof and corrosion-resistant with inner adhesive layer for sealed protection.
PTFE and silicone-coated sleeving for aerospace, industrial heating, and engine applications.
Protect wires passing through metal panels. Prevent abrasion and short circuits.
Insulated covers for thermal switches and sensors in heating systems.
Our materials are trusted across critical industries for reliability and performance.
Wiring harness bushings, engine sensors, fuel and brake line protection. Resistant to oil, heat, and vibration.
Electric motors, generators, wind turbines, home appliances. UL-rated for internal insulation and safety.
High-temperature resistance, fire protection, and mechanical durability for signaling and power systems.
Lontom achieves excellence by consistently delivering an exceptional level of quality to its customers. We provide personalized and professional service for OEMs, distributors, and engineering teams worldwide.
We offer 2:1, 3:1, and 4:1 shrink ratios depending on the material and application. Commonly used is 2:1 for general insulation.
Yes, many of our heat shrink tubing, tapes, and sleeving products are UL recognized. Please check individual product specifications.
Yes, we support OEM customization including size, color, printing, and packaging. Contact us for details.
Our standard fiberglass sleeving withstands up to 500°C (932°F). Silicone-coated versions offer additional moisture resistance.
Yes, we provide free samples for qualified customers. Please contact our sales team with your requirements.
For inquiries, samples, or technical support, reach out to our team. We respond within 24 hours.
Phone: +86-13818052015
Office: +86-21-63147475
Fax: +86-21-64285332
Email: ellenjie@lontom-elec.com
Alt Email: ellenjie@lontomtech.com
Contact Person: Ellen Jie
Address: Room 516, Building A, No.1500 Longwu Road, Shanghai 200231, China
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