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Precision Rubber Seals &
Molded Rubber Parts

ISO9001 Certified Manufacturer Since 2000 | ROHS/REACH/WARS Compliant | Custom Solutions for Global Industries

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About HSK Seal

Haining Maqiao Hengshun Rubber Factory is a high-tech enterprise established in 2000, integrating research and development, production, and sales under one roof.

Trusted Manufacturer Since 2000

As a leading China-based rubber parts manufacturer, we specialize in rubber seals, dampers, gaskets, o-rings, and custom molded rubber components. Our factory in Haining, Zhejiang, operates under strict ISO9001 quality standards.

We serve industries ranging from automotive and medical to industrial machinery and consumer goods, delivering high-performance, durable rubber solutions tailored to client specifications.

  • ISO9001 Certified Quality Management
  • ROHS, REACH, WARS Compliant Materials
  • In-House Tooling & Molding Capabilities
  • ERP-Based Material Traceability
Factory Interior Silicone Material O-Ring Production Rubber Grommets

Our Products

High-quality rubber seals, dampers, gaskets, and molded parts made from silicone, NBR, EPDM, FKM, CR, and other advanced materials.

EPDM Food Grade Rubber Gasket

EPDM Food Grade Rubber Gasket

Imported world-class raw material, suitable for food and beverage applications.

Food Safe EPDM
FKM Rubber O Ring

FKM Rubber O Ring

High-temperature resistant fluorocarbon rubber, ideal for automotive and industrial use.

High Temp FKM
Protective Rubber Grommet

Protective Rubber Grommet

Available in NBR, silicone, FKM, EPDM. Protects wires and tubes from abrasion.

NBR Silicone
Rubber O Ring

Rubber O Ring

Standard and custom sizes available. Made from imported or domestic raw materials.

Standard Custom
Rubber Reinforced Diaphragm

Rubber Reinforced Diaphragm

Reinforced with fabric or metal for high-pressure applications.

Reinforced Multi-Material
CR Rubber Bellow

CR Rubber Bellow

Chloroprene rubber bellows for expansion joints and protective covers.

CR Flexible
Colorful Rubber Washer

Colorful Rubber Washer

Available in multiple colors for identification and aesthetic purposes.

Color-Coded SBR
Waterproof Rubber Washer

Waterproof Rubber Washer

Designed for sealing in plumbing and outdoor applications.

Waterproof NBR
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Why Choose HSK Seal?

We combine advanced manufacturing, strict quality control, and customer-first service to deliver reliable rubber solutions.

ISO9001 Certified

Our quality management system ensures consistent product excellence.

ROHS/REACH Compliant

Environmentally safe materials that meet global regulatory standards.

In-House Tooling

Fast turnaround with free tooling for standard parts and customer approval process.

ERP Traceability

Full material traceability and quality tracking from raw input to final product.

2000
Founded
24+
Years Experience
50+
Global Clients
10+
Materials

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What materials do you offer?

We offer a wide range of rubber materials including Silicone, FKM (Viton), NBR (Nitrile), EPDM, CR (Neoprene), NR (Natural Rubber), SBR, and more.

Are your products compliant with international standards?

Yes, our products comply with ISO9001, ROHS, REACH, and WARS standards. We provide certification upon request.

Can you produce custom rubber parts?

Absolutely. We specialize in custom molded rubber parts. Provide your drawings or samples, and we’ll create the tooling and production.

What is your minimum order quantity?

MOQ varies by product type and complexity. Contact us with your requirements for a tailored quote.

Get in Touch

Have questions or need a quote? Reach out to our team for expert assistance.

zhujie@hskseal.com
+8618857867896
AC area, floor1 and 3, building 2, No.8, Jingbian Rd 7, Haining Warp Knitting Industrial Park, Haining city, Zhejiang, China
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