Based in Dongguan, Guangdong—China’s leading hub for residential plumbing silicone components—HS specializes in easy install replacement silicone O-rings, engineered as waterproof, rust-proof rubber seals for home plumbing fixtures including faucets, sink drains, and shower heads. Our OR-C01 rubber seals (silicone O-rings) are precision-molded from high-grade silicone, with customizable sizes/shapes/colors, a 500-piece MOQ, full OEM/ODM support, and multi-functional durability to meet the replacement needs of home plumbing manufacturers, contractors, and hardware suppliers worldwide. Whether you require slim silicone O-rings for faucet cartridges or thick seals for sink drains, our products combine easy installation, rust-proof performance, and long-lasting waterproofing to eliminate leaks in residential plumbing systems.
Core Features of Our Silicone O-Rings (Rubber Seals) Our silicone O-rings stand out for their easy install design, waterproof performance, and rust-proof durability—key traits that make them ideal for multi-functional use in home plumbing fixtures and mechanical equipment applications.First, waterproof and rust-proof protection define our silicone O-rings: Premium silicone is 100% impervious to water and moisture, preventing mold, mildew, and rust formation (a common issue with rubber or metal seals) in damp plumbing environments like sink drains and shower heads. The material also resists degradation from tap water minerals, cleaning chemicals, and temperature fluctuations (-40°C to 230°C), ensuring long-term sealing integrity in hot/cold water lines.Second, easy install custom precision is central to our silicone O-rings. Our moulding process achieves a tolerance of ±0.03mm, enabling customized sizes and shapes to fit standard home plumbing fixtures (faucets, sink drains, shower heads) with a snug, drop-in fit—no special tools or expertise required for replacement. We offer customer-requested colors (white, black, or custom shades) to match fixture aesthetics, aligning silicone O-rings with home plumbing design without compromising sealing performance.Third, durable replacement-grade design is embedded in every silicone O-ring. The robust silicone composition resists compression set, tearing, and wear from repeated use, while maintaining flexibility to adapt to minor fixture misalignments—reducing the need for frequent replacements and lowering maintenance costs for homeowners and plumbing professionals.
Competitive Advantages of Our Silicone O-Rings Choosing our silicone O-rings means partnering with a manufacturer with 20+ years of silicone moulding expertise, prioritizing ease of installation, customization, and scalability for home plumbing clients. Waterproof/Rust-Proof Performance & Rigorous Quality Control Every silicone O-ring undergoes 100% quality inspection, including waterproof pressure testing, rust-proof material validation, dimensional precision checks, and durability trials. Our strict quality control ensures consistent performance across all batches, meeting global residential plumbing safety standards and eliminating leak risks in faucets, sink drains, and shower heads. Customization Flexibility & Scalable Production We offer a 500-piece MOQ for silicone O-rings, catering to small plumbing contractors and local hardware suppliers, while our 10,000-square-meter production facility and automated moulding lines enable bulk orders for major home plumbing OEMs. Full OEM/ODM support includes custom sizes (per fixture CAD drawings), shapes, colors, and branded logo integration—with free samples available to validate fit and easy install performance before bulk production. Cost-Effective Factory-Direct Pricing As a factory-direct manufacturer, we eliminate middlemen to offer competitive pricing on easy install silicone O-rings without compromising waterproof or rust-proof quality. Our streamlined production process (from prototyping to mass production) reduces lead times by 20%, ensuring on-time delivery for home plumbing fixture production schedules and replacement part orders. Technical Expertise & Home Plumbing Support Our team of silicone engineering specialists with residential plumbing experience provides 24/7 support—from size optimization (e.g., slim O-rings for faucets, thick O-rings for sink drains) to mould design for easy install shapes. We leverage deep knowledge of home plumbing fixture design to refine sealing performance, ensuring optimal leak-proof protection for every replacement scenario.
Applications of Our Silicone O-Rings Our versatile silicone O-rings serve critical sealing roles across home plumbing fixtures, thanks to their easy install design and waterproof/rust-proof performance:
Faucets & Mixer Taps: Custom-sized silicone O-rings seal cartridge valves and spout joints—easy install drop-in fit simplifies replacement, waterproof design prevents handle/base leaks, and rust-proof material avoids discoloration in chrome fixtures. Sink Drains & P-Traps: Thick silicone O-rings seal drain baskets and P-trap connections—waterproof performance blocks sewer gas leaks, rust-proof design resists corrosion from soap scum, and durability withstands frequent drain use. Shower Heads & Handheld Showers: Slim silicone O-rings seal shower head threads and hose connections—easy install design fits standard shower fixtures, waterproofing prevents water spray from joints, and flexibility adapts to movement in handheld hoses. Toilet Fill Valves & Flappers: Custom-shaped silicone O-rings seal fill valve ports and flapper bases—waterproofing stops silent leaks, rust-proof material avoids degradation from toilet cleaners, and easy install reduces plumber callouts for homeowners. Washing Machine Hoses & Connections: Multi-functional silicone O-rings seal inlet/outlet hose connectors—waterproof performance prevents burst hose leaks, rust-proof design resists metal corrosion, and durability suits high-flow laundry use.
At our Dongguan manufacturing facility, we leverage advanced moulding technology and a skilled workforce (100+ professionals) to produce silicone O-rings that exceed residential plumbing industry standards. Our commitment to sustainability is reflected in eco-friendly production practices (recyclable silicone scrap, low-waste moulding) without compromising performance. We back all silicone O-rings with a 2-year warranty against manufacturing defects, and offer lifetime technical support for custom home plumbing seal designs. Whether you need replacement O-rings for faucets or sink drains, we deliver silicone O-rings that combine ease of use, protection, and value—engineered for home plumbing, built to seal.
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!