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High-Quality SS304/316L Flat Sealing Rings for Optimal Sealing
US$0.10
10 Pieces
Product profile
Customization
AvailableMaterial
304Application
ElectricModel NO.
SUNWELL-SWR640Type
Shaft SealPerformance
High PressureShape
O-RingStandard
Standard, NonstandardProduct Name
Flat Rings Ss304 Non Standard/ASME/JIS/DIN/EnCertificate
ISO9001,SGSQuality
High Level for 304 Flat RingsTransport Package
Wooden Case for Gaskets RingsSpecification
according your requestTrademark
SUNWELLOrigin
Ningbo, ChinaProduction Capacity
1000000PCS/MonthKey features
Customizable Branding: Stamp company name, logo, and size directly onto the ring.
Versatile Finishes: Available with or without zinc and powder coating options.
High Production Capacity: Capable of producing 300,000 pieces per month.
Precision Manufacturing: Uses punching for rings under 14 inches and lathing for larger sizes.
Flexible Configurations: Available as full-piece products or bent strips.
Grooving Options: Choose rings with or without grooving to suit applications.
Standard Compliance: Adheres to Non-standard, ASME, JIS, DIN, and EN specifications.
Premium Material: Constructed from high-quality SS304 and 316L stainless steel.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: Shanghai, NingboAverage Response Time: >24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others
AI-Powered supplier vetting
SummaryNingbo Sunwell Sealing Materials Co., Ltd. is identified primarily as a China-based manufacturer of sealing and heat-preservation products, although one record classifies it as a trading company. The supplier reports ISO 9001 certification, more than 10 production lines, 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces in annual output, and 6–10 R&D engineers and quality-control staff. It has reported export activity since 2011, self-operated import/export rights, and exports representing 51%–70% of total sales. The company states that it supports OEM and ODM orders and provides engineering assistance, but the supplied records do not independently verify these claims. Buyer and transaction evidence is limited, and the records provide insufficient information to assess financial strength or after-sales performance. No financial figures are included.
CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified management system and supports a positive assessment for this field.
R&D capabilityThe supplier reports 6–10 R&D engineers and describes itself as engaged in research and development across multiple sealing-product categories. It also offers engineering assistance according to its company description, providing explicit but largely self-reported evidence of innovation capability.
Production capacityThe supplier reports more than 10 production lines and annual output of 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces. It also identifies itself as a manufacturer and reports export operations since 2011, providing explicit evidence of substantial production capability.
Customization capabilityThe supplier explicitly states that it accepts OEM and ODM orders and can provide engineering assistance for customer applications. This directly supports the availability of customization services, although the records do not specify technical scope, tooling capability, or examples of completed customized projects.
Product Q&A
Q:What's the diameter difference between the finished gaskets and the rings?
A:
Adhering to ASME B16.20 standards, we ensure an accurate diameter variance of +1.2mm and -1.2mm for both inner and outer rings, guaranteeing perfect alignment and fit every time.
Q:Is there full inventory of the standard rings in SUNWELL?
A:
Absolutely! We maintain a full inventory of standard rings to ensure rapid delivery. We are always ready to provide you with detailed inventory information whenever you wish to make a purchase.
Q:Is the price of rings higher than the finished gaskets?
A:
Certainly not. We stand by our commitment to offering competitive pricing to our esteemed clients within the sealing market.
Send Inquiry
*To:
Ningbo Sunwell Sealing Materials Co., Ltd.
Ningbo Sunwell Sealing Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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