rubber o-ring supplier
rubber seal manufacturer
Bestseal factory

Xiamen Best Seal Imp. & Exp. Co., Ltd

With over 20 years of manufacturing excellence, we are a leading rubber sealing products manufacturer based in Xiamen, China. Exported to 68 countries and trusted by 450+ long-term customers, we specialize in O-rings, gaskets, rubber molded parts, extruded components, and PTFE products.
Our ISO 9001-certified 3,600-square-meter facility features 36 production lines and 100+ skilled employees, producing up to 5 million pieces daily. We deliver reliable quality and efficient service for industries worldwide.

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Why Choose Us

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    Cost-Effective Pricing

    Direct factory pricing with no middleman markups, maximizing your profit margins.

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    Material Expertise

    Multiple rubber compound formulations tailored to your specific working conditions.

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    Flexible MOQ

    Accept both small batch testing orders and large-scale production requirements.

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    Fast Turnaround Time

    Quick sampling and efficient production ensure your project stays on schedule.

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    One-Stop Solution

    From design consultation to delivery, we simplify your entire procurement process.

Application Areas
We provide sealing solutions for diverse industries with proven reliability.
  • Smart watch
    Automotive
  • Car wheels
    Machinery
  • Automobile shock absorber
    Hydraulics
  • Car steering wheel
    Piping & Plumbing
  • Car headlights
    Sanitary Ware
  • Engine oil
    Medical & Food Grade

Trusted Partners Worldwide

68 countries • 450+ long-term customers • 20 years excellence
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Ford Motor Company
Supplying high-performance NBR and EPDM seals for automotive applications since 2018. Our rubber components meet Ford's stringent quality standards for engine systems and chassis parts.
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Audi AG
Partnering with Audi to deliver precision rubber gaskets and O-rings for premium vehicle systems. Supporting their commitment to quality and innovation with custom sealing solutions.
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MARCO Rubber & Plastics
Long-term collaboration providing custom molded rubber parts and extrusion profiles. Over 2 million units delivered annually with consistent quality and on-time delivery.
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Princeton Tec
Manufacturing waterproof silicone seals for outdoor lighting equipment. Our IP68-rated gaskets ensure reliable performance in extreme weather conditions.
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BELDOS
Providing industrial rubber components for filling and packaging machinery. Custom-designed seals that withstand continuous operation and frequent cleaning cycles.
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Latest News
We promise to find you the right equipment
Xiamen Best Seal 2026 Annual Gala: A Year Of Resilience And Strategic Growth
Feb 09, 2026
Xiamen Best Seal 2026 Annual Gala: A Year Of Resilience And Strategic Growth
骏马奔腾迎盛世 凯歌嘹亮颂华年 馬 2026 Annual Gala ‿︵ ୨୧ ₊˚ Celebrating Resilience & Strategic Growth ୨୧‿︵₊˚ "Strength in re...
Hydrogen Sealing: Critical Materials For Fuel Cell Safety
Feb 09, 2026
Hydrogen Sealing: Critical Materials For Fuel Cell Safety
As global hydrogen infrastructure investment surpasses $300 billion, fuel cell systems face unprecedented sealing cha...
The $1 Gasket Preventing EV Battery Fires: Thermal Runaway Solutions
Feb 02, 2026
The $1 Gasket Preventing EV Battery Fires: Thermal Runaway Solutions
As the electric vehicle (EV) market surges toward a projected 45% global market share by 2030, one critical engineeri...
The Role Of O-Rings in Preventing Chemical Plant Disasters
Feb 02, 2026
The Role Of O-Rings in Preventing Chemical Plant Disasters
In February 2025, an explosion at the Parker Lord Corporation plant in Pennsylvania injured thirteen workers. While i...