Powered by Made-in-China.com
Ola Sand-Resistant Support Track Roller Komatsu Track Bottom Roller
US$27.00-80.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
Service at 24 HoursWarranty
One YearModel NO.
TR57Type
BearingApplication
ExcavatorCertification
CE, ISO9001: 2000Condition
NewProduct Name
Track RollerKeywords
Bulldozer Track RollerMaterial
50mnb/40mnbTechnics
Forging & CastingColour
Black, Grey, Yellow or CustomizedSize
CustomizedSuitable for
Bulldozer or ExcavatorAfter-Sales Service Provided
Video Technical SupportSurface Hardness
52-58 HRCWeight
CustomizedHardness Depth
8-12mm or CustomizedQuality
100% TestedPackage
Standard Export PalletOEM & ODM Custom
AcceptSample
AcceptTransport Package
Pallet or CustomizedSpecification
CustomizedTrademark
OLA or OEMOrigin
Ningbo, ChinaProduction Capacity
50000 0pieces/YearCompany profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: OEM Service AvailableNearest Port: NingBoAverage Response Time: ≤1.99h
AI-Powered supplier vetting
SummaryThe supplier operates in mechanical and electrical equipment, molds, plastic products, appliances, and related sales. It reports ISO 9001 and SGS certification, OEM service for known brands, customization from samples and designs, and exports to multiple regions. However, service-management controls are weak or undocumented: there are no written complaint-handling or corrective-action procedures and no approved-supplier list. Innovation and technical development appear limited, with no ODM, SDK, 3D design service, or new product reported in the past year, and only one R&D engineer. Quality-control assurance and traceability are unconfirmed, while testing equipment is reported as zero. Overseas service infrastructure is absent, including warehouses, showrooms, agents, branches, and offline trade-show participation. Financial information is present for multiple reporting years, but the supplied slices do not provide enough evidence to assess financial credibility.
Supplier typeThe supplier is a broad mechanical and electrical products supplier with sales of equipment, molds, plastic products, appliances, and related goods. It is not identified as a professional technical supplier and offers OEM service for known brands, but not ODM or SDK-based services.
CertificationsThe company description explicitly states that it holds ISO 9001 and SGS certificates. This is direct evidence of certification holding, although the slices do not specify certificate scope, validity, or issue dates.
After-Sales capabilityAfter-sales and service-management capability is weakly documented: there are no written complaint-handling procedures or records, no written corrective and preventive-action mechanism, and no overseas warehouse, showroom, agent, or branch. Lead time is stated as one month in both peak and off-season, but this does not establish effective after-sales support.
R&D capabilityInnovation capability appears limited: the supplier provides no ODM, SDK, or 3D software design service, reported no new products in the past year, and has one R&D engineer. The engineer handles R&D, product improvement, and production-site support, but this does not demonstrate strong innovation output.
Production capacityThe supplier accepts samples and small lots, supports customization, exports to over 30 countries according to its company description, and reports one-month lead times in both seasons. However, quality-assurance and traceability status are unknown and the number of quality-control test equipment is reported as zero, creating a stated production-quality weakness.
Customization capabilityThe supplier explicitly supports customization from samples and designs and states that products can be made according to customer requests. It also accepts samples and small lots and offers OEM service for known brands, although it does not provide ODM or 3D software design services.
Client casesThe supplier states that it has sent parts to more than 30 countries across North America, South America, the Middle East, and Africa, with positive customer feedback, and reports that some customers referred others. Export sales are also stated at 71%–90% of total sales, supporting international customer experience.
Send Inquiry
*To:
Ningbo Ola Machinery Parts Co., Ltd
Ningbo Ola Machinery Parts Co., Ltd*Content:
Supplier replies will be sent to your registered email
You may also like
Ola OEM High Quality Excavator Parts Bottom Roller PC200 Excavator Track Roller
US$25.00-60.00
10 Pieces(MOQ)
Ola Wholesale Excavator Spare Parts Sk320 Bottom Roller Excavator Track Roller
US$28.00-60.00
10 Pieces(MOQ)
High-Quality Mini Excavator Bottom Track Roller for Komatsu Models
US$59.00-109.00
1 pieces(MOQ)
Ola Excavator Attachment OEM Manufacturer Cat Bottom Track Roller for Caterpillar
US$45.00-85.00
10 Pieces(MOQ)
Ola Excavator Undercarriage Parts Bottom Track Roller for Excavator
US$33.00-105.00
1 Piece(MOQ)
Excavator Parts 21n-30-00121 for Komatsu PC1250-7 Track Roller Bottom Roller
US$30.00-60.00
1 Piece(MOQ)
D355 195-30-00336 Spare Parts Track Roller Bottom Roller for Komatsu Bulldozer
US$50.00-150.00
1 Piece(MOQ)
Premium Bottom Track Roller for Komatsu, Caterpillar, Hitachi, and Volvo Excavators
US$19.00-29.00
1 pieces(MOQ)
for Komatsu PC300 Track Roller 21t-30-00211 PC450 PC400 PC200 PC200 PC2000 for Komatsu Track Bottom Roller
US$599.00-1,999.00
1 Piece(MOQ)
D65 D85 D155 Track Roller Bottom Roller for Bulldozer Undercarriage Parts for Komatsu
US$50.00-180.00
1 Piece(MOQ)
Replacement Track Roller Wheel 20y-30-16411 Bottom Roller Fits Komatsu Excavator PC220-7 Price
US$39.00-49.00
1 Piece(MOQ)
Bulldozer Track Roller D9n / D9r Double Flange Bottom Roller Single Flange Support Roller 7t1258 / 7t1253
US$20.00-500.00
1 Piece(MOQ)
Bulldozer Komatsu D60 D40 D20 195-30-01412 Track Roller for D275 D350 Dozer D155 Bottom Roller
US$20.00-300.00
1 Piece(MOQ)
PC5500-6 Excavator Frame Parts Bottom Track Roller 91352440 for Komatsu Repair Kit
US$299.00-599.00
1 Piece(MOQ)



















