Explore our diverse custom manufacturing capabilities, engineered for optimal compression performance, high durability, and extreme environments.
With 17 years of dedicated expertise, Shenzhen 101 Electronic Technology Co., Ltd. is a leading manufacturer of precision silicone and custom rubber components. We serve as a trusted partner for global industries that demand high-performance sealing, thermal isolation, and critical structural solutions.
Established in 2007 and certified to both ISO 9001 and IATF 16949 automotive standards, our company operates from an 8,000㎡ state-of-the-art facility. Equipped with advanced automated production lines, controlled cleanrooms, and stringent QA inspection stations, we ensure consistent structural integrity and tight tolerances across every manufacturing run.
We specialize in integrating state-of-the-art material science with precision molding and extrusion technologies. This allows us to supply high-reliability gaskets, profiles, and engineered rubber components optimized for household appliances, automotive systems, consumer electronics, and heavy-duty cold chain logistics.
Why material selection and extrusion geometry dictate thermal efficiency and longevity in commercial & household refrigeration systems.
Door seals experience thousands of compression cycles over their lifespan. Utilizing high-performance polymers guarantees maximum rebound resilience, ensuring the seal retains its shape and prevents warm-air infiltration over a 10-year operational span.
Integrating flexible magnetic strips within extruded PVC, TPE, or custom silicone rubber profiles ensures seamless contact with the refrigerator frame. This creates a completely hermetic barrier, directly reducing energy consumption.
Refrigerator gaskets operate in highly humid micro-environments susceptible to mold growth. Our proprietary silicone formulations integrate eco-friendly biocide agents that inhibit bacterial proliferation, fulfilling FDA and RoHS standards.
| Material Type | Temperature Range | Elastic Rebound | Antimicrobial Properties | Recyclability | Primary Application |
|---|---|---|---|---|---|
| Flexible PVC (Polyvinyl Chloride) | -20°C to 60°C | Moderate | Requires Additives | Low | Standard domestic refrigerators |
| TPE / TPV (Thermoplastic Elastomer) | -40°C to 120°C | High | Good | 100% Recyclable | Eco-friendly smart appliances |
| EPDM Rubber (Ethylene Propylene) | -50°C to 150°C | Very High | Excellent | Low | Outdoor & commercial cold displays |
| Silicone Rubber (HTV / LSR) | -60°C to 300°C | Outstanding | Excellent (Inherent) | Moderate | Medical refrigeration & ultra-low temp freezers |
How our advanced manufacturing equipment translates into high-precision sealing performance for challenging specifications.
Our factory floor is designed to meet complex elastomer manufacturing requirements. By combining heavy-tonnage molding systems with high-speed automated extrusion lines, we cover all product phases from custom profile tooling design to high-volume assembly line support.




Unlocking supply chain integration, swift tooling turnarounds, and deep material engineering expertise.
Based in Shenzhen, we sit within the world's most dense electronics, tooling, and elastomer raw material hub. This structural proximity allows us to secure cost-competitive chemical supplies and pass the savings on to global OEMs.
In-house tooling centers allow us to manufacture custom extrusion dies and compression molds within 7 to 15 business days. This enables appliance designers to compress their time-to-market window for new refrigerator releases.
Unlike typical factories, Shenzhen 101 maintains rigorous control frameworks. All compounds pass RoHS and REACH testing, ensuring seamless importation and product safety clearance across North America, the UK, and the EU.
How regulatory updates and smart kitchen architectures dictate modern seal designs.
Traditional plasticized PVC door gaskets are increasingly restricted in several jurisdictions due to difficulties in clean recycling and plasticizer migration. Manufacturers are transitioning to TPE/TPV profiles. TPE profiles offer comparable seal tightness, improved low-temperature flexibility (avoiding cracking at -30°C), and are 100% recyclable.
With EU Ecodesign and US Energy Star guidelines continuously tightening, door seals are no longer treated as simple rubber strips. High-efficiency gaskets utilize multi-cavity geometries (3-chamber, 4-chamber designs) to trap air. This creates additional thermal resistance layers that prevent heat transfer.
Modern smart refrigerators feature automated opening mechanisms and vacuum insulation panels (VIP). The door gaskets must support low closing force while maintaining seal integrity. Custom rubber profile designs must balance magnetic strength and elastomer softness.
The distribution of vaccines and biologic agents has increased the demand for ultra-low temperature freezers operating between -80°C and -150°C. At these extremes, standard PVC and TPE formulations embrittle and crack. Specialized platinum-cured silicone gaskets maintain their elasticity, preventing icing and seal failure.
Expert technical answers to common questions about refrigerator door seals and custom elastomer production.
For standard profile extrusions, we maintain tolerances in accordance with ISO 3302-1 Class E1 or E2. For high-precision silicone injection molded gaskets, we can limit variations to within ±0.15mm, ensuring critical component fits match complex locking channels.
Our raw silicone and elastomer compounds are sourced from industry-leading material suppliers. They can be formulated to pass FDA 21 CFR 177.2600, LFGB, and RoHS standards. We manufacture these parts in controlled environments to avoid cross-contamination.
Yes. Our engineering division works with clients to analyze dynamic compression curves and thermal insulation requirements. We utilize 3D simulation tools to design optimal dual-durometer or multi-cavity shapes before fabricating the extrusion dies.
Under standard residential operating conditions, a high-quality TPE door gasket is engineered to withstand over 300,000 door open/close cycles, which translates to roughly 10 years of reliable home service without structural splitting or loss of magnetic holding force.
A look inside our ISO 9001 and IATF 16949 production facilities and testing laboratories.
Our engineering team supports custom silicone and rubber development from initial material formulation through prototype validation to high-volume production. This commitment to quality control has enabled long-term supply partnerships with leading global brands in Europe, Asia, and North America.







Browse additional OEM rubber products, vehicle bellows, and custom component profiles manufactured at our facility.