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OEM factory customized colorful waterproof NBR rubber o-ring
Size: according to customer' requirements
Material: food grade silicone
Hardness: 30-90shore A
Temperature: - 43~210℃
Certification: ISO9001, ISO14001
Color: white, black, red, clear, yellow,blue,etc.
Feature: High temperature resistance. high tensile strength, electric insulation, non- toxic
Usage: Sealing
Why choose us:
•100% manufacturer
•100% molds made ourselves
•Advanced production machine
•Strict quality control system
•Flexible MOQ
•Excellent and experienced team.
Character of silicone rubber o ring
1) Non-toxic, odorless, transparent and non-yellowing
2) Soft, elastic and resistant to kinking, no deformation
3) No cracking, long service life
4) Have higher tensile strength and superior electrical performance
5) High temperature resistance, cold resistance



1, 16 years experience for rubber seals products.
2, We are a manufacturing and trading combo with one headquarter in Shanghai and one R&D production base in Anhui.
3, We have almost 500 staffs.
4, Our production workshop covers more than 30,000 square meters.
5, We have won many honors such as the city's outstanding enterprises, provincial high-tech enterprises, and city taxpayers.
6, Certificates: ISO 9001:2015, ISO 14001:2015, IATF 166949:2016 and five patents.
7, Our tent: First Class Design, First Class Manufacture, First Class Service.
Desan people will go hand in hand with you to create a better future and realize your dreams!
We are a manufacturer of direct sales with competitive prices, can provide one-stop service from design, mold making, production, inspection and packaging.


1, All products can be customized.
2, Almost 500 workers to make sure high product capacity.
3, Our professional engineers will provide professional technical support with 16 years experience, and offer FREE services with design, drawing and revising.
4, We have our own mold workshop to save your cost, and so far we have already made almost 3000 sets of molds, so we have rich experience.
All of our products are custom made from dimension, color, material requirements, cable length, tracks pitch, total thickness etc..
Expect for your design idea, then we will work hard together to achieve it.

Q: Are you a manufacturer?
A: Yes, we are a manufacturing and trading combo with our own molds and production lines.
Q: What about your service?
A: We provide one-series service: design, mold opening, production, quality control and after-sales service.
Q: Can you produce the design drawings?
A: Yes, we have professional engineer team to design variety products.
Q: How about the sample?
A: Normally, sample is free without freight fee.
Q: How to know the quality?
A: Welcome to our factory to investigate, also we can provide samples for you to check quality.
Q: Can you do OEM&ODM?
A: Both OK. Welcome!
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