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WELCOME TO
CHINAKEENLY RUBBER

A trusted manufacturer & exporter of high-quality custom rubber components with over 10 years of experience. ISO9001:2008 certified and located in Ningbo, China.

ChinaKeenly Rubber Factory

About ChinaKeenly

A leading manufacturer and exporter of rubber components with over a decade of industry expertise.

Rubber Manufacturing Facility

Precision Rubber Manufacturing Since 2011

ChinaKeenly Rubber Products Factory is a private-owned enterprise with more than ten years of experience in the rubber industry. Located in Ningbo, China, our strategic position ensures fast access to Beilun Port — less than one hour away — enabling cost-effective and timely delivery for global clients.

We specialize in custom molded rubber products across the full range of elastomers, including rubber-to-metal bonding, compression moldings, O-rings, gaskets, washers, and PU components. Our in-house molding workshop is equipped with advanced machinery such as CNC, lathes, wire cutters, and spark erosion equipment to ensure precision and consistency.

✅ ISO9001:2008 Certified (GB/T 19001-2008)
✅ Full in-house production capabilities
✅ Custom engineering & low/high-volume production

Our Product Range

From engineering prototypes to full-scale production, we deliver high-performance rubber components tailored to your specifications.

Rubber Grommets

Rubber Grommets

Durable rubber grommets for wire and cable protection. Available in various sizes, hardness levels, and colors.

  • • Custom sizes & durometers
  • • NBR, EPDM, Silicone options
  • • High abrasion resistance
Colorful Rubber Parts

Colorful Rubber Parts

Vibrant, custom-colored rubber components for branding, identification, and aesthetic applications.

  • • Pantone color matching
  • • UV-resistant pigments
  • • Ideal for consumer goods
PU Parts

PU Parts

High-strength polyurethane components for industrial and mechanical applications requiring wear resistance.

  • • Excellent load-bearing
  • • Oil & tear resistant
  • • Custom hardness (70A–95A)
Rubber Gaskets

Gaskets

Precision-molded rubber gaskets for sealing applications in automotive, HVAC, and industrial systems.

  • • Flat & molded profiles
  • • High temp & pressure resistance
  • • Custom die-cutting available
Rubber O-Rings

Rubber O-Rings

Standard and custom O-rings in a wide range of elastomers for dynamic and static sealing.

  • • NBR, Viton, Silicone, EPDM
  • • AS568 & metric standards
  • • Low friction & high resilience
Rubber Tyres

Rubber Tyres

Industrial rubber tyres for trolleys, casters, and light machinery. Smooth rolling and shock absorption.

  • • Solid & pneumatic types
  • • Load capacity up to 500kg
  • • Noise-reducing design
Bonded Rubber Parts

Bonded Rubber

Rubber-to-metal bonded components for vibration damping, mounting, and structural support.

  • • Strong adhesion
  • • Custom metal inserts
  • • Used in automotive & machinery
Rubber Washers

Washers

Rubber washers for sealing, insulation, and load distribution in mechanical and electrical systems.

  • • Flat & conical types
  • • Electrical insulation
  • • Corrosion protection

Rubber Materials We Use

We work with a wide range of elastomers to meet diverse performance requirements.

Nitrile (NBR)

Excellent oil and fuel resistance. Ideal for automotive and industrial seals.

EPDM

Outstanding weather and ozone resistance. Used in outdoor and HVAC applications.

Silicone

High-temperature stability and biocompatibility. Suitable for medical and food-grade uses.

Viton® (FKM)

Superior chemical and heat resistance. Used in aggressive environments.

Neoprene

Good flame and weather resistance. Common in electrical insulation and gaskets.

Natural Rubber (NR)

High elasticity and resilience. Used in tyres, rollers, and vibration mounts.

Quality Control Process

Quality Assurance

ChinaKeenly is certified under GB/T 19001-2008 (ISO9001:2008) quality management system, ensuring consistent product quality and process reliability.

  • Full in-house quality control lab with hardness, tensile, and compression testing
  • Dimensional inspection using precision measuring tools
  • Raw material traceability and batch control
  • Final product inspection before shipment

Our commitment to quality ensures that every component meets or exceeds customer specifications and industry standards.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team.

Email: sales@chinakeenly.com

We respond to all inquiries within 24 hours.

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