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35CrMo Large Diameter Rotating Cast Steel Large Half Ring Gear
US$10.00
1-999 Pieces
US$6.00
1,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableApplication
Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, CarHardness
CustomizeGear Position
CustomizeManufacturing Method
Cast Gear /Rolling Gear/ Cut Gear/ Sintered GearToothed Portion Shape
Rved Spur Gear /Bevel Wheel /Double Helical GearMaterial
20crmnti/ 20crmnmo/ 42CrMo/ 45#Steel/ 40cr/ 20crniType
CustomizeHeat Treattment
Carburizing and Quenching/ Tempering/ Nitriding/ CQaulity Standerd
GB/ DIN/ JIS/ AgmaTransport Package
Wooden Case / PalletTrademark
Song fei/OEMOrigin
ChinaHS Code
8479909090Production Capacity
10000PCSKey features
Wide Material Selection: Available in 20CrMnTi, 42CrMo, 45#Steel, 40Cr, and 20CrNi for diverse applications.
Customizable Gear Specifications: OEM/Customized options for module, teeth number, height, thickness, and pitch.
Flexible Heat Treatment: Options include carburizing, quenching, tempering, and nitriding for enhanced hardness.
High Precision Accuracy: Gear accuracy grades range from 5 to 9 according to ISO 1328 standards.
Robust Surface Hardness: Surface hardness reaches HRC 50-63 after quenching, ensuring durability.
Large Diameter Capability: Capable of producing gear rings with diameters exceeding 1 meter and weights over 100kg.
Comprehensive Testing: Includes non-destructive testing (UT/MT) and 100% visual inspection for quality assurance.
Low MOQ for Custom Orders: Minimum order quantity starts from 1 piece for customized gear requirements.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.32hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, FCA, CIF, DAT, FAS, DDP, DAP, CPT, CIP
AI-Powered supplier vetting
SummaryQingdao Songfei Precision Machinery Co., Ltd. is a China-based limited company established in 2018, specializing in customized mechanical and metal parts. It reports 14 employees, a 3,300 m² manufacturing plant, ISO 9001:2015 certification, 6–10 quality-control staff, and stated one-month lead times in both off-peak and peak seasons. Its described capabilities include CNC machining, welding, casting, flanges, auto parts, fasteners, sheet metal, and stamping products. The company states that it invests in R&D, optimizes production, manages process inspections, and supports complex-part customization. SGS audit information is provided, but the audit result and several operational capability fields are coded values or unknown statuses, limiting verification. No specific customer cases or after-sales service evidence is supplied.
Supplier typeThe supplier is identified as Qingdao Songfei Precision Machinery Co., Ltd., a Chinese limited company established in 2018. Its primary offering is mechanical parts customization, supported by listed CNC machining, welding, casting, sheet-metal, stamping, fastener, flange, and auto-parts services.
CertificationsThe supplier lists an ISO 9001:2015 certificate and describes rigorous inspection and process control. An SGS audit is also recorded with a validity period from March 3, 2025 to March 2, 2026, but the coded audit result is not interpretable from the provided information.
R&D capabilityThe supplier explicitly states that it continuously invests in R&D, optimizes production processes, and has technical accumulation for complex-part customization. It reports two years of total R&D engineer experience, while ODM, SDK, and broader digital-development capabilities are unknown.
Production capacityProduction-related evidence includes a 3,300 m² plant, 14 employees, 6–10 quality-control staff, listed manufacturing processes, and stated one-month fulfillment times in both peak and off-peak seasons. The supplier also reports an order-fulfillment status code, but the meaning of that code is not provided.
Customization capabilityCustomization is the supplier’s stated primary product offering, with explicit support for complex metal parts and multiple related processes including CNC machining, welding, casting, sheet metal, and stamping. Its technical team and process-inspection descriptions further support customization capability.
Product Q&A
Q:What is the minimum order quantity?
A:
Our minimum order quantity typically ranges from 5 to 100 pieces, depending on the product and material.
Q:Can you provide custom designs?
A:
Yes, we specialize in providing custom designs based on your specific requirements.
Q:What is your production capacity?
A:
Our production capacity varies depending on the product and material, but we have the capability to produce millions of pieces per year.
Q:What is your lead time for orders?
A:
Our lead time for orders is typically 4-6 weeks for production and delivery.
Q:Do you offer quality control and testing?
A:
Yes, we have strict quality control measures in place and offer testing services, including non-destructive testing, to ensure the quality of our products.
Send Inquiry
*To:
Qingdao Songfei Precision Machinery Co., Ltd.
Qingdao Songfei Precision Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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