What materials are used for the pistons?

Iron-based (Ferrous-based) / Low-alloy steel powder; customizable via material formulation.

What surface treatments are available?

Steam Treatment (vapor treatment), Heat Treatment, Anti-rust coating, Black oxide finish (as required).

What certifications do you have?

IATF16949, CE, RoHS, ISO 9001 (or as per customer requirement).

Custom Ferrous Powder Metallurgy Shock Absorber Piston with Sintered High Hardness Surface

Name: Custom Ferrous Powder Metallurgy Shock Absorber Piston with Sintered High Hardness Surface
Brand: Ningbo Ningjiang Powder-Metallurgy Co., Ltd.
SKU: 1993150371

Zhejiang, ChinaNingbo Ningjiang Powder-Metallurgy Co., Ltd.

US$0.10-1.50

5,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

N/a

Model NO.

N/A

Certification

IATF16949, CE, RoHS

Material

Ferrous-Based / Iron-Based

Surface Treatment

Vapor Treatment (Steam Treatment)

Hardness (Vapor Treated)

65-95 Hrb

Density (Vapor Treated)

6.4-6.8 G/Cm³

Application

Automotive / Railway Shock Absorber

Transport Package

Wooden Case

Specification

Customized per buyer requirements

Trademark

N/A

Origin

China

Key features

Customizable Material & Surface: Ferrous-based material and steam/heat treatment are customizable per customer drawings.

Automotive Grade Quality: Certified IATF16949/ISO9001 with 100% critical dimension inspection before shipment.

OEM/ODM Capability: Accepts custom drawings and samples with NDA protection for design secrecy.

Multi-Industry Application: Suitable for automotive shock absorbers, railway damping, and hydraulic components.

High Volume Capacity: Annual capacity exceeds 6,500 tons with stable process and cost efficiency.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Self-brandedNational Award received

Ningbo Ningjiang Powder-Metallurgy Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤0.75h

AI-Powered supplier vetting

SummaryNingbo Ningjiang Powder-Metallurgy Co., Ltd. is a China-based limited company specializing in powder metallurgy. The supplier reports an independent R&D center, mold manufacturing center, automated production lines, annual capacity exceeding 6,500 tons, and 229 employees. It provides 3D software design, ODM, OEM, and multiple customization options, and reports new products during the past year. Written procedures and records are reported for supplier-service assessment, corrective and preventive actions, and customer complaints. Service terms include FOB, CIF, and EXW, with stated average lead times of one month in both peak and off-season. However, it reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation. No SDK is available, and the provided information does not establish financial credibility, recognized certification holdings, or specific customer case details.

Supplier typeThe supplier is a China-based limited company specializing in powder metallurgy, with 229 employees and no stated affiliation with a larger company group. Its stated business model integrates R&D, design, production, and sales.

After-Sales capabilityThe supplier reports written procedures and followed records for handling customer complaints, corrective and preventive actions, and service-capability assessment. It also states one-month average lead times and accepts FOB, CIF, and EXW terms, but has no overseas warehouse, showroom, agents, branches, or offline trade-show experience.

R&D capabilityThe supplier reports an independent R&D center, new products during the past year, ODM service, 3D software design, and a national science and technology progress award. It also has a mold manufacturing center and advanced production equipment, although no SDK is available.

Production capacityThe supplier reports over 23,000 square meters of facilities, advanced production and testing equipment, a complete automated production line, 229 employees, and annual capacity exceeding 6,500 tons. These stated resources support substantial powder-metallurgy production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design, R&D, mold manufacturing, and production resources. It also reports ODM service and the ability to meet customized needs.

Product Q&A

Q:What are your terms of packing?

We generally pack our goods in blank brown cartons with rust-proof packaging, and pack them into wooden cases after containerization.

Q:What are your terms of delivery?

EXW, FOB, CIF

Q:Can you produce according to the samples?

Yes, we accept orders based on your technical drawings. We will first check if the product matches our existing stock. If needed, we will revise the design and develop custom molds accordingly.

Q:I want to keep our design in secret, can we sign NDA?

Sure, we can sign NDA before you send the drawing.

Q:What kind of production service do you provide?

Mold Manufacturing, Sintering, CNC Machining, Compression Molding, Simple Assembly and Surface Treatment.