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NBR Rubber Gasket Washer Bonded Seal with High Seal Performance
US$0.02-1.50
100 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableType
Lock WasherMaterial
SteelModel NO.
NBR Bonded SealsCombination Washer Structure
A TypeCombination Washer Packaging
Half a PackSpring Washer Type
StandardAdvantage
Oil Proof, Alkali ResistanceSize
AnyColor
AnyLead Time
15daysTransport Package
BagSpecification
Self-centerIng/Non-Self-centerIngTrademark
BomanOrigin
ChinaHS Code
4016931000Production Capacity
1000000PCS/MonthKey features
High Seal Performance: Oil proof and alkali resistance with pressure up to 50MPa and temperature range -60 to +220 C.
Customizable Size and Color: Any size and color are acceptable with factory own mould department covering over 40000 sizes.
Premium Raw Materials: Uses top brands like DuPont, Dow Corning, Bayer, and 3M for superior quality.
Comprehensive Certifications: ISO/TS 16949:2009, Wras, KTW-W270, Watermark, LFGB, RoHs, Reach, and FDA certified.
OEM and ODM Services: Full design service and customization options available for various applications.
Wide Application Scope: Suitable for metallurgical, chemical, engineering, construction, mining, and petroleum machinery.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.
Stainless Steel Option: Stainless steel material is also acceptable for customized orders.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-09-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤6.53hTerms 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 lead time for orders?
A:
The average lead time is within 15 workdays for both peak and off-peak seasons.
Q:Can the size and color be customized?
A:
Yes, any size and color are acceptable, and the factory has over 40000 molds available.
Q:What certifications does the product have?
A:
Products are certified with ISO/TS 16949:2009, Wras, KTW-W270, Watermark, LFGB, RoHs, Reach, and FDA.
Q:What are the operating conditions?
A:
The product supports pressure up to 50MPa and temperatures ranging from -60 C to +220 C.
Q:What raw materials are used?
A:
We use premium brands such as DuPont, Dow Corning, Bayer, and 3M for raw materials.
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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