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NBR Custom Size Flat Washer O Ring Gasket in Molded
US$0.05-1.90
100 Pieces
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableMaterial
NBRApplication
PumpsModel NO.
NBR Rubber WasherType
Dust SealPerformance
CorrosionShape
Rectangle RingStandard
Standard, NonstandardDelivery
Air/SeaSize
CustomColor
AnyLead Time
15daysTransport Package
Polybag and CartonSpecification
AS568/BS1516/C92Trademark
BomanOrigin
ChinaHS Code
4016931000Production Capacity
100000PCS/MonthKey features
Custom Size and Color: Accepts custom sizes and any color options based on customer requirements.
Wide Hardness Range: Hardness adjustable from 30 Shore A to 95 Shore A for diverse applications.
Extensive Mould Library: Over 40,000 standard moulds available for fast production and customization.
Premium Raw Materials: Uses top brands like DuPont, Dow Corning, Bayer, and 3M for quality assurance.
Multi-Certification Compliance: Certified with ISO/TS 16949, FDA, RoHS, REACH, KTW-W270, and Watermark.
OEM and ODM Service: Professional manufacturer offering full OEM/ODM services and logo customization.
Strong Technical Support: Expert team customizes rubber formulas and handles complex mold processes.
100% Recall Guarantee: Perfect after-sales team ensures 100% recall if any cargo quality issues arise.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-09-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤5.78hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryNingbo Boman Mechanical & Technology Co., Ltd. is identified as a China-based manufacturer/factory producing rubber seals and related rubber, plastic, and silicone products. The supplier reports four production lines, 31–40 quality-control staff, and stated annual output across several product categories. It claims more than 12 years of export experience in one description and more than 15 years in another, with exports representing 71%–90% of total sales. Certifications listed include IATF 16949/TS 16949, ISO 9001, ISO 14001, ISO 20000, and product-related compliance certifications. Evidence also supports customization through a technical team that can adjust rubber formulas and an in-house mold department. The supplier states that it serves several global top 500 companies and offers a recall response for defective cargo, but no independently verified customer names or service-performance records are provided. Financial strength cannot be assessed because financial figures are excluded.
CertificationsThe supplier lists TS 16949, ISO 9001, ISO 14001, and ISO 20000 management-system certifications, and states that its factory is IATF 16949:2016 certified. It also lists KTW-W270, Watermark, LFGB, RoHS, REACH, and FDA product certifications or compliance credentials, although certificate documents and validity details are not provided.
After-Sales capabilityThe supplier explicitly claims to have a dedicated after-sales team and to recall problematic cargo 100% at the first opportunity. This supports a stated corrective-response capability, but no evidence is provided on response times, procedures, or verified service outcomes.
R&D capabilityThe supplier states that it conducts R&D and follows technological innovation, employs 21–30 R&D engineers, and can develop rubber-material formulas for different requirements. These statements indicate technical development resources, but no specific patents, new-product records, or quantified R&D results are supplied.
Production capacityThe supplier reports four production lines, 31–40 quality-control staff, and annual output of 1,000,000 valve stem seals, 10,000,000 O-rings, 10,000,000 oil seals, 1,000,000 bonded seals, and 10,000,000 customized molded rubber parts. Its listed products and factory certifications further support manufacturing capability, although capacity utilization and independent verification are not shown.
Customization capabilityThe supplier states that its technical team can customize rubber raw-material formulas and that it has an in-house mold department capable of fast mold processing and difficult molds. Its product scope explicitly includes customized molded rubber parts, providing direct evidence of customization capability.
Product Q&A
Q:What is the MOQ for your products?
A:
The MOQ varies by product, but usually, an order amount of 150 USD per size is required.
Q:Do you provide OEM/ODM services?
A:
Yes, we offer comprehensive OEM and ODM services, including custom logos and designs.
Q:What are your payment terms?
A:
Standard terms are 30% T/T deposit in advance and 70% balance before shipment. Old customers may not need an advance deposit.
Q:What is the lead time for orders?
A:
Usually 15-20 days. During summer high temperatures, the lead time may extend to 30 days.
Q:Can you provide free samples?
A:
Yes, we provide free samples once the order is confirmed, and we cover the delivery cost.
Send Inquiry
*To:
Ningbo Boman Mechanical & Technology Co., Ltd.
Ningbo Boman Mechanical & Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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