What materials do you support?

We support Cast steel, carbon steel, alloy steel, heat-resistant steel, stainless steel, ductile cast iron, wear-resistant cast iron, aluminum, copper, and other materials.

What certifications do you have?

We have ISO9001:2015 certification and adhere to strict quality control programs.

What is your production capacity?

Our productivity is 5000 Ton per year.

Durable 4140 Carbon Steel Round Bars for Heavy-Duty Projects

Name: Durable 4140 Carbon Steel Round Bars for Heavy-Duty Projects
Brand: Qingdao Xinyongxin Machinery Co., Ltd
SKU: 2052111782

Shandong, ChinaQingdao Xinyongxin Machinery Co., Ltd

US$5.80-6.00

500 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Application

Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory, Rod

Standard

ASME

Model NO.

cnc machining38

Surface Treatment

Polishing

Production Type

Batch Production

Machining Method

CNC Machining

Material

Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron

Technique

Cold Rolled Hot Rolled

Name

Steel Round Bars

Material2

200 300 400 Series Stainless Steel

Services1

Iron Machining Services

Services2

Copper Machining Services

Services3

CNC Machining Manufacture

Services4

CNC Machining Service

Services5

Spare Parts

Services6

CNC Cutting Machine

Services7

Precision Machining

Services8

Carbon Steel Machining Services

Transport Package

Wood or Other Packaging After Forced Treatment

Trademark

XINYONGXIN

Origin

China

HS Code

8431390000

Production Capacity

50000/Year

Key features

25+ Years Manufacturing Experience: Over 25 years of manufacturing and 20+ years of exporting experience in metal parts.

OEM/ODM Customization: Accepts OEM and ODM orders with complete production lines for various manufacturing processes.

ISO 9001:2015 Certified: Company has passed ISO 9001 quality management system certification for reliable quality.

Advanced CNC Equipment: Equipped with CNC machining centers, lathes, milling machines, and precision testing labs.

100% Quality Control: Comprehensive QC including IQC, PQC, FQC, and 100% inspection before shipment.

Wide Material Selection: Supports Cast steel, carbon steel, alloy steel, stainless steel, aluminum, copper, and more.

Flexible MOQ Policy: Accepts tiny orders and custom samples to develop promising products for customers.

Global Export Experience: 100% of products sold to overseas customers in Europe, America, Australia, etc.

Company profile

High Repeat Buyers ChoiceYears of Export Experience

Qingdao Xinyongxin Machinery Co., Ltd

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2007-03-01Nearest Port: QINGDAOAverage Response Time: ≤9.51hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryQingdao Xinyongxin Machinery Co., Ltd. is identified as a professional machinery technology supplier with more than 20 years of experience. It provides 3D software design, SDK availability, and broad customization options, supported by CNC, casting, forging, stamping, and machining capabilities. Production evidence includes three production lines, 6–10 quality-control staff, and stated agricultural machinery parts output of 5,000 tons. The supplier exports extensively, with 90% of sales from exports and markets across multiple regions. Quality assurance and raw-material traceability are present, but several control procedures lack written records. It has inventory and manufacturing subcontractor contract capabilities, while lacking overseas warehouses, showrooms, agents, branches, and offline trade-show participation. Financial information is present only as year references, without sufficient evidence to assess credibility.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and has focused on machinery manufacturing for more than 20 years. Its stated scope covers machinery, agriculture, transportation, mining, and general industries, indicating an established machinery-manufacturing supplier profile.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, and technology accumulation and innovation over more than 20 years. These explicit capabilities support a positive assessment of technical innovation resources.

Production capacityProduction resources include three production lines, 6–10 quality-control staff, a broad equipment base, manufacturing contracts with associated subcontractors, inventory capability, and stated agricultural machinery parts output of 5,000 tons. Quality assurance and raw-material traceability are present, although finished-product inspection and supplier-assessment procedures lack complete written records.

Customization capabilityThe supplier explicitly provides customization from samples and designs, full, minor, and flexible customization, together with 3D software design services. This demonstrates broad customization coverage rather than a single limited service type.

Client casesThe supplier states that it exports to Australia, the United States, Canada, and other countries and has established stable strategic partnerships with several well-known manufacturing enterprises in the United States and Canada. These statements provide evidence of international customer experience, though individual customer names and project details are not provided.

Product Q&A

Q:Are you a trading company or a manufacturer?

XINYONGXIN is the manufacturer specializing in export trade.

Q:What is the scale of your factory?

The factory covers an area of 10,000 square meters and integrates cutting, bending, stamping, welding, casting and machining. Currently, we have 100 employees.

Q:Do you accept OEM orders?

OEM is our ascendancy, since we have complete production lines of various manufacture processes. Our ultimate goal is to promote XINYONGXIN manufacturing to all around the world.

Q:What is your MOQ?

It is our pleasure to develop promising products for our customers, even the tiny order. Please provide detailed product information and do not hesitate to contact us for support.

Q:Do you provide samples? Are they free?

XINYONGXIN would like to run the samples for our customers, until customers are satisfied. Generally, the sample is free, but we will ask for the mold fee depends on your products.