What is the sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Do you test all goods before delivery?

Yes, we have 100% test before delivery.

How do you maintain long-term business relationships?

1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Ss321 Bx Type Ring Joint Gaskets for Valve Flange Pipe

Name: Ss321 Bx Type Ring Joint Gaskets for Valve Flange Pipe
Brand: Ningbo Rilson Sealing Material Co., Ltd.
SKU: 2124019062

Zhejiang, ChinaNingbo Rilson Sealing Material Co., Ltd.

US$0.80-2,500.00

100 piece

Product specifications

1"-24"

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

304ss,316lss,321ss,347ss,Carbon Steel

Application

Pipe, Flange, Valve, Pump

Model NO.

Ring Joint Gaskets

Type

Oil Seal

Performance

Corrosion

Shape

O-Ring

Standard

Transport Package

Customer Needs

Specification

Customer Needs

Trademark

RILSON

Origin

Ningbo China

Production Capacity

8000000piece/Year

Key features

High Pressure Sealing: Octagonal and Oval types seal up to 10,000 psi; RX types up to 15,000 psi.

Wide Material Selection: Available in 304ss, 316lss, 321ss, 347ss, and Carbon Steel for corrosion resistance.

Custom Sample Production: Can produce according to customer samples or technical drawings with custom molds.

IX Type for NORSOK: IX Seal Rings designed for NORSOK CFC applications with PTFE coating options.

100% Quality Testing: All goods undergo 100% testing before delivery to ensure quality and performance.

Competitive Pricing: Maintains competitive prices and good quality to ensure customer benefits.

Company profile

Ningbo Rilson Sealing Material Co., Ltd.

Zhejiang, China

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 the terms of packing?

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 the terms of payment?

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 the terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:What is the delivery time?

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?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.