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FPM Valve Stem Seal Rubber Oil Seals in Custom Size
US$0.001
100 Pieces
Sample price:US$0.10/piece.Request sample
Product profile
Customization
AvailableMaterial
FPMUsage
Engine, Transmission, Rear AxleModel NO.
FPM Oil SealType
AssembledSpeed
High SpeedPressure
Atmospheric TypeLip
Lips TypeStandard
Standard, NonstandardOil Seal Type
Tc/Sc/Tb...etc.Storage Life
10yearsSize
AnyColor
AnyTransport Package
BagSpecification
GB9877.1-88Trademark
BomanOrigin
ChinaHS Code
4016931000Production Capacity
200000PC/MonthKey features
Customizable Size and Color: Accepts any size (ID 5mm-1M) and color (Black, white, red, green, or any).
Wide Material Selection: Available in NBR, FKM, EPDM, Silicone, PTFE, and more with specific temp ranges.
Extensive Mould Library: Own mould department with over 70,000 sizes available for fast customization.
Premium Raw Materials: Uses brands like DuPont, Dow Corning, Bayer, and 3M for high-quality seals.
Global Certifications: IATF 16949:2016, ISO/TS 16949, RoHS, REACH, FDA, KTW-W270, and Watermark.
Professional OEM/ODM: 15+ years export experience with strong technical team for formula customization.
100% Recall Guarantee: Perfect after-sales team ensures 100% recall if any cargo quality problems occur.
Versatile Applications: Suitable for metallurgical, chemical, mining, petroleum, and instrumentation sectors.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-09-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤7.64hTerms 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?
A:
MOQ varies by product, but usually one size order amount matches 150 USD.
Q:Do you offer OEM/ODM services?
A:
Yes, we provide both OEM and ODM services with customizable rubber raw-material formulas.
Q:What are the payment terms?
A:
30% T/T deposit in advance, 70% balance before shipment. Old customers may not need an advance deposit.
Q:What is the lead time?
A:
Usually 15-20 days. During summer high temperatures, it may take 30 days.
Q:Can you provide free samples?
A:
Yes, we supply free samples and cover delivery costs once the order is confirmed.
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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