Headquartered in Dongguan, Guangdong—China’s leading hub for mold manufacturing—TCHS specializes in customizable high-elasticity silicone rubber seals, offering precision molding and cutting services to create custom rubber parts with tailored shapes, sizes, and hardness for industrial electrical equipment and electronics applications. Our EE-03-1 custom mold seals are engineered to deliver exceptional performance in diverse electronic and industrial settings, combining high-temperature resistance, material versatility, and full customization to meet the unique needs of electronics manufacturers worldwide. Whether you require standard silicone rubber seals or fully bespoke custom rubber parts, our factory-direct capabilities ensure consistent quality, on-time delivery, and cost-effective solutions for your custom molding needs.
Core Features of Our Silicone Rubber Seals & Custom Rubber Parts Our silicone rubber seals and custom rubber parts stand out for their high elasticity, thermal resilience, and design flexibility—key traits that make them ideal for electronics and industrial electrical equipment.First, the material quality of our silicone rubber seals is unmatched. We utilize premium silicone rubber (complemented by EPDM, NBR, and NR options) that boasts exceptional high-elasticity, maintaining flexibility and sealing integrity even after repeated compression and expansion. These silicone rubber seals also offer superior high-temperature resistance (withstanding temperatures up to 220°C), ensuring reliability in the heat-generating environments of electronic devices and industrial electrical equipment.Second, full customization defines our custom rubber parts. We offer custom shapes, sizes per customer’s requirement, and adjustable hardness (20–90 Shore A) to match specific application needs—from ultra-soft silicone rubber seals for delicate electronics to rigid custom rubber parts for heavy-duty industrial electrical equipment. Our molding and cutting processes achieve a tolerance of ±0.05mm, guaranteeing a perfect fit for any component.Third, branding and compliance are integrated into every silicone rubber seal. We provide customized logo printing on custom rubber parts, aligning components with brand identity, while all products comply with ROHS, ISO 9001, ISO 14001, and TS16949 standards—validating safety and environmental compliance for global electronics markets.
Competitive Advantages of Our Silicone Rubber Seals & Custom Rubber Parts Choosing our silicone rubber seals and custom rubber parts means partnering with a manufacturer with 20+ years of rubber processing expertise, prioritizing quality, efficiency, and customer-centric service. Precision Engineering & Quality Control Every silicone rubber seal undergoes 100% quality inspection before shipment, including elasticity testing, dimensional verification, and high-temperature resistance validation. Our advanced molding and cutting equipment, paired with a tolerance of ±0.05mm, ensures custom rubber parts meet the strict precision requirements of electronics and industrial electrical equipment applications. Flexible Customization & Scalable Production We offer a MOQ of 1000 pieces for silicone rubber seals, making our solutions accessible to small and medium-sized electronics manufacturers, while our 10,000-square-meter production facility and 2000+ existing molds enable us to scale production of custom rubber parts to meet bulk orders for major electronics brands. This flexibility ensures businesses of all sizes can access high-quality, customized sealing solutions. Cost-Effective Factory-Direct Pricing As a direct manufacturer, we eliminate middleman markups, offering competitive pricing on silicone rubber seals without compromising material quality or precision. Our one-stop procurement service streamlines the entire process—from design and prototyping to production and delivery—reducing lead times and supply chain costs for custom rubber parts. Technical Expertise & 24/7 Support Our team of rubber engineering specialists provides 7×24 online support for all inquiries related to silicone rubber seals, offering guidance on material selection, hardness adjustment, and mold design to optimize custom rubber parts for electronics and industrial electrical equipment. We leverage decades of experience to solve complex sealing challenges for electronic component manufacturers.
Applications of Our Silicone Rubber Seals & Custom Rubber Parts Our versatile silicone rubber seals and custom rubber parts serve critical roles in electronics and industrial electrical equipment, thanks to their high elasticity, high-temperature resistance, and customization options:
Consumer Electronics: Silicone rubber seals are used in smartphone enclosures, laptop hinges, and tablet casings—their high elasticity provides shock absorption and dust/waterproof protection, while custom shapes ensure a seamless fit for slim electronic designs. Industrial Control Panels: Custom rubber parts seal control panel enclosures for industrial automation systems, with high-temperature resistance to withstand heat from electrical components and high elasticity to maintain a tight seal against dust and moisture. Electronic Sensors & Actuators: High-elasticity silicone rubber seals protect sensors and actuators in industrial electrical equipment, preventing contamination and ensuring accurate performance in harsh industrial environments. Power Electronics: Custom mold seals are integrated into power inverters, transformers, and battery packs—their high-temperature resistance and high elasticity handle thermal expansion and contraction, preventing leaks and optimizing energy efficiency. Medical Electronics: Biocompatible silicone rubber seals are used in medical electrical equipment, complying with strict safety standards while providing the flexibility and sealing performance required for sensitive medical devices.
At our Dongguan manufacturing facility, we leverage a team of over 100 skilled professionals and state-of-the-art molding/cutting equipment to produce silicone rubber seals and custom rubber parts that exceed industry standards. Our commitment to innovation is backed by 20+ product patents, and we back all custom rubber parts with a 3-year warranty—if unused silicone rubber seals develop quality issues within this period, we offer free returns and replacements. With a focus on precision and customization, we continuously refine our silicone rubber seals to meet the evolving demands of electronics and industrial electrical equipment, including high-efficiency, low-energy consumption device designs. Whether you need standard high-elasticity silicone rubber seals or fully customized mold seals for electronics, we are committed to delivering custom rubber parts that combine performance, durability, and value—engineered for the unique demands of your application, built to last.
Product Description
Company Profile
Founded in 2003, Dongguan Huangshi Rubber & Plastic Tech Co., Ltd. is one of the famous silicone and plastic products manufacturers. Our factory is located in Chang'an Town, Dongguan City, enjoying good location and convenient transportation access. Being specialized in silicon mold making,plastic mold making and silicon and plastic products manufacturing, we always try our best to provide you with best-quality products. With a workshop of 6,000 square meters and a serious QC department, we are professional in making all kinds of silicone and plastic cases for cells phones, MP3, MP4 and MP5 players, silicone keyboards, silicone series parts of electronic goods, silicone kitchen accessories and silicone toys. We are sure to make better quality and better price silicone rubber and plastic products for you. Our main foreign trade markets include Southeast Asia, Europe and America. We also provide ODM/OEM products for many national famous companies. In order to satisfy different requirements from our clients, we import raw materials and machines to make our goods reach the standards of RoHS, ISO, SGS and EN71. "Do a good job at first time; do a better job every time" is our tenet. Please don't hesitate to contact us if you have any problem. We must be the one which you can trust in. We look forward to your requirements. Choose us,and we can do better for you!