Powered by Made-in-China.com
40*3 Rubber Oil Seal O Ring X Ring for Pump
US$0.01-1.50
100 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
FKMApplication
PumpsModel NO.
X RingType
Rotary SealPerformance
High PressureShape
X-RingStandard
Standard, NonstandardAdvantage
High Seal PerformanceSize
AnyColor
AnyLead Time
15daysTransport Package
BagSpecification
AS568 StandardTrademark
BomanOrigin
ChinaHS Code
4016931000Production Capacity
100000PCS/MonthKey features
High Seal Performance: Excellent oil resistance, ozone resistance, and anti-aging properties for reliable sealing.
Wide Size Range: ID from 4mm to 1m, with max ID over 6m and C/S over 30m available.
Customizable Options: Any size, color, logo, and design accepted with OEM/ODM support.
Premium Raw Materials: Uses top brands like DuPont, Dow Corning, Bayer, and 3M for durability.
Global Certifications: ISO/TS 16949, FDA, RoHS, REACH, LFGB, and KTW-W270 certified.
Fast Delivery: Standard lead time of 7-15 days for most orders and custom molds.
100% Recall Guarantee: Perfect after-sales team ensures 100% recall if cargo has problems.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-09-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤6.59hTerms 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 standard lead time is 7-15 days. Peak and off-season lead times are within 15 workdays.
Q:Can I customize the size and color?
A:
Yes, any size and color is acceptable. We support OEM and ODM orders with custom logos and designs.
Q:What certifications do your products have?
A:
Our products are certified with ISO/TS 16949, FDA, RoHS, REACH, LFGB, and KTW-W270.
Q:What is the warranty or after-sales policy?
A:
We have a perfect after-sales team that guarantees a 100% recall if any cargo has problems.
Q:What are the main applications for this seal?
A:
It is widely used in metallurgical, chemical, engineering, construction, mining, petroleum machinery, and automotive industries.
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
You may also like
Silicone O Ring Molded Rubber Parts Oil Seals NBR X Ring
US$0.02-1.50
100 Pieces(MOQ)
NBR/FPM/Silicone Rubber Seal O Ring X Ring for Hydraulic
US$0.01-9.90
100 Pieces(MOQ)
FPM Rubber O Ring Rubber Seals Gasket Oil Seal Rubber Quad X Ring
US$0.03
100 Pieces(MOQ)
Ring Seal Rubber Xring N Rubber Xring for Industrial Sealing Solutions Oil Seal Oring Ring Xring
US$0.01-0.09
100 Pieces(MOQ)
Factory Wholesale EPDM X Ring As568 Oil Resistance NBR X-Ring Quad Ring Seals Buna-N Rubber X-Ring
US$0.01-0.09
100 Pieces(MOQ)
Durable Rubber Seals for X-Rings and Various Applications
US$0.70-1.00
500 Pieces(MOQ)
Silicone Rubber Products Seal Gasket Oil Seal O Ring X Ring in High Quality
US$0.03
1,000 Pieces(MOQ)
Premium NBR and FKM X-Ring Seals for Ultimate Oil Protection
US$0.70-1.00
500 Pieces(MOQ)
High Production PTFE Piston Oil Seal X-Ring for Hydraulic
US$0.01-0.50
100 Pieces(MOQ)
Industrial Pump Sealing Component High Viscosity Oils Using Four Lobed Seal X Ring
US$0.10-6.50
10 Pieces(MOQ)
Premium Customizable FKM X-Ring Seals for Superior Oil Resistance
US$0.10-0.90
100 Pieces(MOQ)
Industrial Motor Shaft Sealing Component Suitable for Oil and Dust Using Rubber X Rings
US$0.10-6.50
10 Pieces(MOQ)
Star O Rings Rotary Shaft Lip Seal Rubber NBR X-Ring
US$0.10-0.20
10 Pieces(MOQ)
Premium Oil-Resistant Quad X Ring Seal Kit for Durability
US$0.70-1.00
500 Pieces(MOQ)
Product Manufacturer X Ring Waterproof Silicone Rubber Different Sizes X-Ring
US$0.01-0.09
100 Pieces(MOQ)
Long Term Reliability Rubber Seal Ring NBR FKM X Ring
US$0.20-0.50
10 Pieces(MOQ)














