Custom Sealing Solutions Tailored to Your Needs
Work with a trusted mechanical seals manufacturer to get high-quality custom seals, engineered for your specific applications.

Why Choose Xinhegang for Custom Seal Orders?
At Xinhegang Mechanical Seals Co., Ltd., we believe every project deserves the right sealing solution. As a professional mechanical seals manufacturer and oil seals supplier with over 14 years of industry experience, we provide:
- Customized seal designs based on your real working conditions
- Material selection tailored for chemical resistance, temperature tolerance, and durability
- Flexible MOQ to support small trials and pilot runs
- Full material traceability with detailed technical documentation
- Fast response, expert support, and global shipping solutions
We don't just sell seals — we help you solve sealing problems and improve operational reliability.
Product Categories For Bulk Orders
We offer a comprehensive range of sealing products available for wholesale and custom bulk orders, including:
Mechanical Seals
Our mechanical seals are engineered for reliability and long-lasting performance in the most demanding environments. Whether you're dealing with high pressure, high speed, or corrosive fluids, our standard and custom mechanical seals are built to minimize leakage and maximize efficiency. Ideal for pumps, compressors, mixers, and more — trusted across chemical, petrochemical, pharmaceutical, and food industries.
Oil Seals
We offer a wide range of oil seals designed to protect bearings and prevent the leakage of lubricants in rotating shafts. Made from premium materials and available in multiple sizes, our oil seals are perfect for automotive, manufacturing, and heavy machinery applications. Whether you need single-lip, double-lip, or spring-loaded styles, we’ve got the solution that fits.
O-Rings & Rubber Seals
We supply precision-molded O-rings and rubber seals that deliver leak-proof performance in static and dynamic applications. Available in a variety of materials including EPDM, NBR, Silicone, and Viton, our O-rings provide excellent resistance to temperature, chemicals, and pressure. Widely used in hydraulic systems, plumbing, automotive, and food-grade machinery.
Hydraulic & Pneumatic Seals
Our high-performance hydraulic and pneumatic seals are built to withstand extreme pressures and dynamic motion. Designed for cylinders, valves, and pumps, these seals prevent fluid or air leakage and ensure smooth system operation. Available in various materials like NBR, PU, and PTFE — perfect for industrial machinery, construction equipment, and automotive systems.
Specialty Sealing Products
Looking for a custom or niche sealing solution? Our specialty sealing products are developed to meet unique industrial challenges. From high-temperature resistant seals to chemical-resistant gaskets, we offer tailored solutions that standard products can’t match. Whether you need FDA-approved seals or custom-designed profiles — we can engineer it for you.
Custom Options Available
We specialize in a wide range of custom mechanical seals and sealing solutions, including:

Pump Seals

Oil Seals

Hydraulic Seals

High-temperature, high-pressure special seals

Rotary Seals

Cartridge Seals

Metal bellows Seals
We don’t just sell seals — we help you solve sealing problems and improve operational reliability
How We Create Your Custom Seals
Our simple and efficient customization process ensures you get exactly what you need:

Consultation
Share your application details, technical drawings, or samples with our engineering team.

Technical Evaluation
We recommend the best sealing structure and material after analyzing your working conditions.

Quotation & Sample
Receive a detailed quote and prototype samples for validation and testing.

Production
Once approved, your custom seals go into full production under strict quality control.

Delivery
We ensure fast and safe shipment from our hydraulic seals factory to your location.
Trusted by Global Customers

Get a Free Consultation Today
Ready to start your custom seal project? Submit your requirements and our expert team will respond within 24 hours.