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Hot Selling Forging Auto Engine Part Connecting Rod for Car/Motorcycle
US$1.00-5.00
200 Pieces
Sample price:US$3.99/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Contact UsApplication
Excavator, Lawnmower, Tractor, Ke Tan, Boat, Motorbike, Truck, CarModel NO.
SA-LGCertification
ISO 9001Warranty
12 MonthsEngine Type
CNGMaterial
SteelItem
Connecting RodProcessing Object
MetalMolding Style
ForgingHeat Treatment
NormalizingSurface Treatment
PolishingForging Tolerance
+/-0.5mmModle Number
Non-StandardDimension
CustomizedProcess
Hot Forging, Heat Treatment, CNC MachiningProcess Way
by Forging Machine and PressShipping Port
Qingdao PortPlace of Origin
Shandong, ChinaOEM Service
YesLogo Printing
CustomizedFree Sample
YesTransport Package
Plywood BoxSpecification
SGSTrademark
ShengAoOrigin
Weifang, Shangdong, ChinaHS Code
87089910Production Capacity
50000PCS/MonthKey features
High Precision Tolerances: CNC machining achieves tolerances as tight as 0.0003 inches for superior performance.
Optimal Weight Balancing: Sets are balanced within +/- 1g to prevent engine vibration and premature wear.
Enhanced Fatigue Life: Shot peening process improves material durability and resistance to fatigue failure.
Customized Dimensions: Dimensions are fully customizable to meet specific drawing and requirement needs.
Multi-Color Surface Options: Surface treatments include annealing, quenching, tempering, and polishing for various finishes.
ISO 9001 Certified Quality: Manufacturing process adheres to ISO 9001:2015 and SGS standards for consistency.
Rapid Delivery Time: Standard delivery within 20 days after receiving confirmed information and payment.
Comprehensive OEM Service: Full OEM and ODM support including custom logo printing and packaging solutions.
Company profile
Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.52h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.
Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.
After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.
Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.
Product Q&A
Q:What is a connecting rod?
A:
A connecting rod is a precision engine component that links the piston to the crankshaft, converting the piston's reciprocating motion into the crankshaft's rotational motion.
Q:What are the main parts of a connecting rod?
A:
Big End: Larger circular end that attaches to the crankshaft journal. Small End: Smaller end that connects to the piston pin (wrist pin). Rod Shaft/Beam: The central structural member. Bearing Surfaces: Precision surfaces for crank and piston pin bearings. Bolt Holes: For connecting rod cap assembly.
Q:What materials are connecting rods made from?
A:
Forged Steel: Most common in production engines (high strength, durability). Cast Iron: Older or lower-performance engines. Aluminum: Racing applications (lighter but less durable). Titanium: High-performance racing (excellent strength-to-weight ratio). Powdered Metal: Modern manufacturing technique for complex shapes.
Q:What are the different types of connecting rods?
A:
I-beam Rods: Standard design, good strength-to-weight ratio. H-beam Rods: Wider design for high RPM/high horsepower applications. Billet Rods: Machined from solid material (custom applications). Cracked Cap Rods: Fracture-split design for perfect cap alignment.
Q:Why are connecting rods balanced?
A:
Proper balancing prevents engine vibration, premature bearing wear, reduced engine life, and potential catastrophic failure. All rods in an engine must be weight-matched within tight tolerances.
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Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.*Content:
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