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Product profile
Customization
AvailableStyle
Flange GasketFunction
Fixed Sealing, Hole Sealing, Rotary Sealing, Shaft SealingApplication
Equipment Seal, Flange Seal, Hydroseal, Pump SealShape (For Gasket)
Ring GasketMaterial
Semi MetallicStandard
Standard, NonstandardGasket Type
Ring GasketSize
Provide CustomizationTransport Package
Wooden CasesSpecification
Standard, As per customers' requestTrademark
RilsonOrigin
ChinaHS Code
84841000Production Capacity
500, 000 Pieces/MonthKey features
High Pressure Capability: Octagonal and Oval types support up to 10,000 psi; RX types support up to 15,000 psi.
Custom Size Options: Customization available for gasket size to meet specific non-standard requirements.
Multiple Material Grades: Available in low carbon steel, 304, 316, and Duplex steel to match flange materials.
Superior Sealing Efficiency: Octagonal cross-section offers higher sealing efficiency compared to oval cross-section.
100% Pre-Delivery Testing: All goods undergo 100% testing before delivery to ensure quality and reliability.
PTFE Coated Options: IX Seal Rings available with PTFE coating in varying colors for NORSOK identification.
Sample Production Service: Capable of producing based on customer samples or technical drawings with mold building.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-10-30Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤24hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, FCA, EXW
AI-Powered supplier vetting
SummaryNingbo Rilson Sealing Material Co., Ltd. is identified as both a trading company and manufacturer/factory in Ningbo, Zhejiang, China, specializing in fluid sealing systems, spiral wound gaskets, ring joint gaskets, and related sealing materials. The supplier states that it provides OEM and ODM services, has ISO 9001:2015 and API certifications, operates more than 10 production lines, and has 6–10 R&D engineers and 6–10 quality-control staff. Reported production includes 3,000,000 spiral wound gaskets, 800,000 kammprofile gaskets, and 1,000,000 ring joint gaskets. It exports to multiple global regions, with exports representing 71%–90% of total sales, and reports lead times of within 15 working days off-season and one month during peak season. Evidence is insufficient to assess after-sales service, financial credibility, and customer cases.
Supplier typeThe supplier is explicitly described as both a trading company and manufacturer/factory, while its industry is identified as manufacturing and its listed products and factory location support manufacturing involvement. However, one record also classifies the company nature as a trading company, indicating a mixed or inconsistent classification.
CertificationsThe supplier explicitly states that it holds ISO 9001:2015 and API certificates, and ISO 9001 is separately listed under supplier management-system certification. This provides direct evidence of formal quality-management certification and an API-related certification claim.
R&D capabilityThe supplier describes itself as an enterprise integrating science and technology, offers technical solutions, and reports 6–10 R&D engineers with fluid-sealing technology expertise. These statements support the existence of R&D capability, although no specific patents, new-product records, or measurable innovation outcomes are provided.
Production capacityReported output includes 3,000,000 spiral wound gaskets, 800,000 kammprofile gaskets, and 1,000,000 ring joint gaskets; the supplier also operates more than 10 production lines and reports lead times of within 15 working days off-season and one month during peak season. These details directly support substantial production capacity, though the full annual capacity for some products is not specified.
Customization capabilityThe supplier explicitly states that it provides OEM and ODM services and offers various technical solutions, while its product scope includes sealing gaskets and materials. This directly supports capability to handle customized products or solutions.
Product Q&A
Q:What are your terms of packing?
A:
Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q:What are your terms of payment?
A:
T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q:What are your terms of delivery?
A:
EXW, FOB, CFR, CIF, DDU.
Q:How long is the delivery time?
A:
Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q:Can you produce according to samples?
A:
Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Send Inquiry
*To:
Ningbo Rilson Sealing Material Co., Ltd.
Ningbo Rilson Sealing Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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