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Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: STO
  • Model Number: O RING, As customer designs
  • application: auto parts, motorcycle parts, industrial industry
  • Quality standard: OEM quality
  • color: black, red, gree, and so on
  • Hardness: 20-90 shore A
  • property: High heat resistant large rubber o ring
  • materials: NBR, FKM, SILICON,EPDM, MVQ, HNBR
  • performance: Oil,Water resistant
  • Sample: available
  • Certificate: ISO9001: 2008 standard

Packaging & Delivery

Packaging Details inner 50 or 100 pcs /plastic bag, outer in carton package
Delivery Time 20 days or as per the order

auto spare parts viton rubber o rings  :  

High quality O ring, rubber ring


1. All of the process are done in our factory from rubber raw material to finished o ring,

    and we use the  best raw material to assure the quality.

2. With strict inspection before shipment, have professional QC team.

3. All kinds of material O ring are available such as  NR, CR, NBR, SBR, VITON, SILICON, HNBR, PU etc.

4. Delivery time will be assured.

5. Stable supply ablility.

6. Small quantity order is acceptable.

7. Professional technician team, advanced production technology, Perfect management system  

    to assure the qualified quality, delivery time and customer's maximum benefit.






Our products sell very well at home and abroad with good reputation.

We are now keeping regular customers from Asia, Southeast Asia, Africa,

and we are now have our own brand oil seal distributor in Pakistan.


OEM or ODM also welcome! If any enquiry on o rings, oil seals, plz feel free to contact us!!


We also produce Rubber oil seals: 




2. Types : TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA, DC, DB etc




4.Size:from 4mm shaft diameter to 300mm shaft diameter and different design.


Wear Resistancevery goodmoderatemoderatevery goodmoderategood
High Temperature Oil Resistancemoderategoodvery goodvery goodgoodgood
max 100Cmax 150Cmax 200Cmax 200Cmax 150Cmax 200C
Low Temperature-40C-30C-50C-25C-40C-80C
Oil Resistancegoodgoodmoderatevery goodgoodextremely good



Production lines / Warehous / Factory photo: 



 Packing Forms:




 Factory Certificates:



Fairs and Exhibitions Attending



Warmly welcome customer all over the world to visit our factory and do great business with us for mutual profit.


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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2 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $30,000
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